220431213430012 has 24 divisors (see below), whose sum is σ = 415455502106736. Its totient is φ = 101730761645568.

The previous prime is 220431213429979. The next prime is 220431213430013. The reversal of 220431213430012 is 210034312134022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220431213430013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139236058 + ... + 140810305.

It is an arithmetic number, because the mean of its divisors is an integer number (17310645921114).

Almost surely, 2^{220431213430012} is an apocalyptic number.

It is an amenable number.

220431213430012 is a deficient number, since it is larger than the sum of its proper divisors (195024288676724).

220431213430012 is a wasteful number, since it uses less digits than its factorization.

220431213430012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280061517 (or 280061515 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 220431213430012 its reverse (210034312134022), we get a palindrome (430465525564034).

The spelling of 220431213430012 in words is "two hundred twenty trillion, four hundred thirty-one billion, two hundred thirteen million, four hundred thirty thousand, twelve".