102202131023212 has 96 divisors (see below), whose sum is σ = 200265169305600. Its totient is φ = 45245371867200.

The previous prime is 102202131023191. The next prime is 102202131023231. The reversal of 102202131023212 is 212320131202201.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 125523573 + ... + 126335155.

It is an arithmetic number, because the mean of its divisors is an integer number (2086095513600).

Almost surely, 2^{102202131023212} is an apocalyptic number.

It is an amenable number.

102202131023212 is a deficient number, since it is larger than the sum of its proper divisors (98063038282388).

102202131023212 is a wasteful number, since it uses less digits than its factorization.

102202131023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812107 (or 812105 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102202131023212 its reverse (212320131202201), we get a palindrome (314522262225413).

The spelling of 102202131023212 in words is "one hundred two trillion, two hundred two billion, one hundred thirty-one million, twenty-three thousand, two hundred twelve".