12313033040 has 160 divisors (see below), whose sum is σ = 35913701376. Its totient is φ = 3813972480.

The previous prime is 12313033021. The next prime is 12313033043. The reversal of 12313033040 is 4033031321.

It is a super-2 number, since 2×12313033040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313033043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997949 + ... + 1010211.

Almost surely, 2^12313033040 is an apocalyptic number.

12313033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12313033040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17956850688).

12313033040 is an abundant number, since it is smaller than the sum of its proper divisors (23600668336).

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

12313033040 is a wasteful number, since it uses less digits than its factorization.

12313033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457 (or 12451 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12313033040 its reverse (4033031321), we get a palindrome (16346064361).

The spelling of 12313033040 in words is "twelve billion, three hundred thirteen million, thirty-three thousand, forty".