1231334012 has 48 divisors (see below), whose sum is σ = 2310819840. Its totient is φ = 573086400.

The previous prime is 1231333951. The next prime is 1231334029. The reversal of 1231334012 is 2104331321.

It is a super-2 number, since 2×1231334012² = 3032366898216032288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342062 + ... + 345642.

It is an arithmetic number, because the mean of its divisors is an integer number (48142080).

Almost surely, 2^1231334012 is an apocalyptic number.

It is an amenable number.

1231334012 is a deficient number, since it is larger than the sum of its proper divisors (1079485828).

1231334012 is a wasteful number, since it uses less digits than its factorization.

1231334012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1231334012 is about 35090.3692200581. The cubic root of 1231334012 is about 1071.8284781175.

Adding to 1231334012 its reverse (2104331321), we get a palindrome (3335665333).

The spelling of 1231334012 in words is "one billion, two hundred thirty-one million, three hundred thirty-four thousand, twelve".