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12230000312120 = 2351571947452279
BaseRepresentation
bin1011000111111000010011…
…0100101111111100111000
31121022011202202020112210222
42301332010310233330320
53100334020034441440
642002215022555212
72401405544265233
oct261760464577470
947264682215728
1012230000312120
113995794382588
12145630a438b08
136a9390182c26
14303d1418a41a
151631e50312b5
hexb1f84d2ff38

12230000312120 has 32 divisors (see below), whose sum is σ = 27692771421600. Its totient is φ = 4860840885888.

The previous prime is 12230000312093. The next prime is 12230000312143. The reversal of 12230000312120 is 2121300003221.

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, 973719860 + ... + 973732419.

It is an arithmetic number, because the mean of its divisors is an integer number (865399106925).

Almost surely, 212230000312120 is an apocalyptic number.

12230000312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230000312120 is an abundant number, since it is smaller than the sum of its proper divisors (15462771109480).

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

12230000312120 is a wasteful number, since it uses less digits than its factorization.

12230000312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947452447 (or 1947452443 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12230000312120 its reverse (2121300003221), we get a palindrome (14351300315341).

The spelling of 12230000312120 in words is "twelve trillion, two hundred thirty billion, three hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 157 314 628 785 1256 1570 3140 6280 1947452279 3894904558 7789809116 9737261395 15579618232 19474522790 38949045580 77898091160 305750007803 611500015606 1223000031212 1528750039015 2446000062424 3057500078030 6115000156060 12230000312120