1312211032 has 16 divisors (see below), whose sum is σ = 2684068200. Its totient is φ = 596459520.

The previous prime is 1312210981. The next prime is 1312211051. The reversal of 1312211032 is 2301122131.

It is a junction number, because it is equal to n+sod(n) for n = 1312210997 and 1312211015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7455657 + ... + 7455832.

Almost surely, 2^1312211032 is an apocalyptic number.

It is an amenable number.

1312211032 is an abundant number, since it is smaller than the sum of its proper divisors (1371857168).

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

1312211032 is a wasteful number, since it uses less digits than its factorization.

1312211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14911506 (or 14911502 counting only the distinct ones).

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

The square root of 1312211032 is about 36224.4535086452. The cubic root of 1312211032 is about 1094.7994272720.

Adding to 1312211032 its reverse (2301122131), we get a palindrome (3613333163).

The spelling of 1312211032 in words is "one billion, three hundred twelve million, two hundred eleven thousand, thirty-two".