1312111033232 has 40 divisors (see below), whose sum is σ = 2576011705056. Its totient is φ = 647384976896.

The previous prime is 1312111033223. The next prime is 1312111033237. The reversal of 1312111033232 is 2323301112131.

It is a junction number, because it is equal to n+sod(n) for n = 1312111033198 and 1312111033207.

It is not an unprimeable number, because it can be changed into a prime (1312111033237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188098 + ... + 2008929.

Almost surely, 2^{1312111033232} is an apocalyptic number.

It is an amenable number.

1312111033232 is a deficient number, since it is larger than the sum of its proper divisors (1263900671824).

1312111033232 is a wasteful number, since it uses less digits than its factorization.

1312111033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197375 (or 3197369 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1312111033232 its reverse (2323301112131), we get a palindrome (3635412145363).

The spelling of 1312111033232 in words is "one trillion, three hundred twelve billion, one hundred eleven million, thirty-three thousand, two hundred thirty-two".