12961314440132 has 12 divisors (see below), whose sum is σ = 23110268200236. Its totient is φ = 6358380668640.

The previous prime is 12961314440089. The next prime is 12961314440149. The reversal of 12961314440132 is 23104441316921.

It can be written as a sum of positive squares in 2 ways, for example, as 5059683391876 + 7901631048256 = 2249374^2 + 2810984^2 .

It is a super-2 number, since 2×12961314440132² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12961314440132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30569137619 + ... + 30569138042.

It is an arithmetic number, because the mean of its divisors is an integer number (1925855683353).

Almost surely, 2^{12961314440132} is an apocalyptic number.

It is an amenable number.

12961314440132 is a deficient number, since it is larger than the sum of its proper divisors (10148953760104).

12961314440132 is a wasteful number, since it uses less digits than its factorization.

12961314440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61138275718 (or 61138275716 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 12961314440132 in words is "twelve trillion, nine hundred sixty-one billion, three hundred fourteen million, four hundred forty thousand, one hundred thirty-two".