1312021010032 has 20 divisors (see below), whose sum is σ = 2542065553096. Its totient is φ = 656004093120.

The previous prime is 1312021010029. The next prime is 1312021010051. The reversal of 1312021010032 is 2300101202131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1312021009988 and 1312021010015.

It is a congruent number.

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, 1585807 + ... + 2266897.

Almost surely, 2^{1312021010032} is an apocalyptic number.

It is an amenable number.

1312021010032 is a deficient number, since it is larger than the sum of its proper divisors (1230044543064).

1312021010032 is a wasteful number, since it uses less digits than its factorization.

1312021010032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801496 (or 801490 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1312021010032 its reverse (2300101202131), we get a palindrome (3612122212163).

The spelling of 1312021010032 in words is "one trillion, three hundred twelve billion, twenty-one million, ten thousand, thirty-two".