403231022012 has 48 divisors (see below), whose sum is σ = 876183494592. Its totient is φ = 158108267520.

The previous prime is 403231021987. The next prime is 403231022027. The reversal of 403231022012 is 210220132304.

It is a super-2 number, since 2×403231022012² (a number of 24 digits) 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, 4860539 + ... + 4942802.

It is an arithmetic number, because the mean of its divisors is an integer number (18253822804).

Almost surely, 2^403231022012 is an apocalyptic number.

It is an amenable number.

403231022012 is an abundant number, since it is smaller than the sum of its proper divisors (472952472580).

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

403231022012 is a wasteful number, since it uses less digits than its factorization.

403231022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9803478 (or 9803476 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 403231022012 its reverse (210220132304), we get a palindrome (613451154316).

The spelling of 403231022012 in words is "four hundred three billion, two hundred thirty-one million, twenty-two thousand, twelve".