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12331033012 = 2229571042529
BaseRepresentation
bin10110111101111110…
…01010000110110100
31011211101000101021101
423132333022012310
5200223221024022
65355332455444
7614401023364
oct133677120664
934741011241
1012331033012
115258601681
12248177a584
13121690984c
1484d98c9a4
154c285e627
hex2defca1b4

12331033012 has 12 divisors (see below), whose sum is σ = 21586626180. Its totient is φ = 6163425536.

The previous prime is 12331033009. The next prime is 12331033019. The reversal of 12331033012 is 21033013321.

It can be written as a sum of positive squares in 2 ways, for example, as 812592036 + 11518440976 = 28506^2 + 107324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331033019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509437 + ... + 533092.

It is an arithmetic number, because the mean of its divisors is an integer number (1798885515).

Almost surely, 212331033012 is an apocalyptic number.

It is an amenable number.

12331033012 is a deficient number, since it is larger than the sum of its proper divisors (9255593168).

12331033012 is a wasteful number, since it uses less digits than its factorization.

12331033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045490 (or 1045488 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12331033012 its reverse (21033013321), we get a palindrome (33364046333).

The spelling of 12331033012 in words is "twelve billion, three hundred thirty-one million, thirty-three thousand, twelve".

Divisors: 1 2 4 2957 5914 11828 1042529 2085058 4170116 3082758253 6165516506 12331033012