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121012012312032 = 2533248113880847
BaseRepresentation
bin11011100000111101001110…
…000000011110010111100000
3120212110122011012111010201010
4123200331032000132113200
5111330130100122441112
61105212052340540520
734326554321666112
oct3340751600362740
9525418135433633
10121012012312032
11356159a719aa06
12116a4b320b1740
13526a4cb27b04a
1421c50269bb3b2
15decc0077063c
hex6e0f4e01e5e0

121012012312032 has 48 divisors (see below), whose sum is σ = 317657592145152. Its totient is φ = 40337202856320.

The previous prime is 121012012312027. The next prime is 121012012312043. The reversal of 121012012312032 is 230213210210121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29241433 + ... + 33122279.

It is an arithmetic number, because the mean of its divisors is an integer number (6617866503024).

Almost surely, 2121012012312032 is an apocalyptic number.

121012012312032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121012012312032 is an abundant number, since it is smaller than the sum of its proper divisors (196645579833120).

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

121012012312032 is a wasteful number, since it uses less digits than its factorization.

121012012312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205671 (or 4205663 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121012012312032 its reverse (230213210210121), we get a palindrome (351225222522153).

The spelling of 121012012312032 in words is "one hundred twenty-one trillion, twelve billion, twelve million, three hundred twelve thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 324811 649622 974433 1299244 1948866 2598488 3880847 3897732 5196976 7761694 7795464 10393952 11642541 15523388 15590928 23285082 31046776 31181856 46570164 62093552 93140328 124187104 186280656 372561312 1260541794917 2521083589834 3781625384751 5042167179668 7563250769502 10084334359336 15126501539004 20168668718672 30253003078008 40337337437344 60506006156016 121012012312032