1312104020032 has 56 divisors (see below), whose sum is σ = 2900680939800. Its totient is φ = 584704167936.

The previous prime is 1312104019979. The next prime is 1312104020057. The reversal of 1312104020032 is 2300204012131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 131960733696 + 1180143286336 = 363264^2 + 1086344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312104019991 and 1312104020009.

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, 27166357 + ... + 27214612.

It is an arithmetic number, because the mean of its divisors is an integer number (51797873925).

Almost surely, 2^{1312104020032} is an apocalyptic number.

It is an amenable number.

1312104020032 is an abundant number, since it is smaller than the sum of its proper divisors (1588576919768).

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

1312104020032 is a wasteful number, since it uses less digits than its factorization.

1312104020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54381023 (or 54381013 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1312104020032 its reverse (2300204012131), we get a palindrome (3612308032163).

The spelling of 1312104020032 in words is "one trillion, three hundred twelve billion, one hundred four million, twenty thousand, thirty-two".