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121023113230012 = 22753671941762687
BaseRepresentation
bin11011100001000111100011…
…101011000111011010111100
3120212111200210211211012101111
4123201013203223013122330
5111330320313441330022
61105221130052051404
734330426365146350
oct3341074353073274
9525450724735344
10121023113230012
113561a683396994
12116a710b903b64
13526b57a07ac76
1421c579b03b460
15ded1500e6477
hex6e11e3ac76bc

121023113230012 has 96 divisors (see below), whose sum is σ = 250310812889088. Its totient is φ = 50125514909184.

The previous prime is 121023113229947. The next prime is 121023113230043. The reversal of 121023113230012 is 210032311320121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1930562133 + ... + 1930624819.

It is an arithmetic number, because the mean of its divisors is an integer number (2607404300928).

Almost surely, 2121023113230012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121023113230012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125155406444544).

121023113230012 is an abundant number, since it is smaller than the sum of its proper divisors (129287699659076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121023113230012 is a wasteful number, since it uses less digits than its factorization.

121023113230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82235 (or 82233 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121023113230012 its reverse (210032311320121), we get a palindrome (331055424550133).

The spelling of 121023113230012 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred thirteen million, two hundred thirty thousand, twelve".

Divisors: 1 2 4 7 14 28 53 67 106 134 212 268 371 469 742 938 1484 1876 3551 7102 14204 19417 24857 38834 49714 62687 77668 99428 125374 135919 250748 271838 438809 543676 877618 1029101 1300939 1755236 2058202 2601878 3322411 4116404 4200029 5203756 6644822 7203707 8400058 9106573 13289644 14407414 16800116 18213146 23256877 28814828 29400203 36426292 46513754 58800406 68949767 93027508 117600812 137899534 222601537 275799068 445203074 482648369 890406148 965296738 1217193479 1558210759 1930593476 2434386958 3116421518 4868773916 6232843036 8520354353 17040708706 34081417412 64511254387 81551963093 129022508774 163103926186 258045017548 326207852372 451578780709 570863741651 903157561418 1141727483302 1806315122836 2283454966604 4322254043929 8644508087858 17289016175716 30255778307503 60511556615006 121023113230012