1310232012 has 96 divisors (see below), whose sum is σ = 3226728960. Its totient is φ = 413360640.

The previous prime is 1310231999. The next prime is 1310232037. The reversal of 1310232012 is 2102320131.

It is a junction number, because it is equal to n+sod(n) for n = 1310231982 and 1310232000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2805403 + ... + 2805869.

It is an arithmetic number, because the mean of its divisors is an integer number (33611760).

Almost surely, 2^1310232012 is an apocalyptic number.

1310232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310232012 is an abundant number, since it is smaller than the sum of its proper divisors (1916496948).

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

1310232012 is a wasteful number, since it uses less digits than its factorization.

1310232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1310232012 is about 36197.1271235716. The cubic root of 1310232012 is about 1094.2487739525.

Adding to 1310232012 its reverse (2102320131), we get a palindrome (3412552143).

It can be divided in two parts, 1 and 310232012, that added together give a palindrome (310232013).

The spelling of 1310232012 in words is "one billion, three hundred ten million, two hundred thirty-two thousand, twelve".