102201212424 has 32 divisors (see below), whose sum is σ = 263745066240. Its totient is φ = 32968132800.

The previous prime is 102201212413. The next prime is 102201212483. The reversal of 102201212424 is 424212102201.

It is a self number, because there is not a number n which added to its sum of digits gives 102201212424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68682867 + ... + 68684354.

It is an arithmetic number, because the mean of its divisors is an integer number (8242033320).

Almost surely, 2^102201212424 is an apocalyptic number.

It is an amenable number.

102201212424 is an abundant number, since it is smaller than the sum of its proper divisors (161543853816).

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

102201212424 is a wasteful number, since it uses less digits than its factorization.

102201212424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137367261 (or 137367257 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102201212424 its reverse (424212102201), we get a palindrome (526413314625).

The spelling of 102201212424 in words is "one hundred two billion, two hundred one million, two hundred twelve thousand, four hundred twenty-four".