102202210021012 has 24 divisors (see below), whose sum is σ = 185218238864736. Its totient is φ = 49311349294368.

The previous prime is 102202210020959. The next prime is 102202210021127. The reversal of 102202210021012 is 210120012202201.

It is a happy number.

It is a congruent number.

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, 3579497143 + ... + 3579525694.

It is an arithmetic number, because the mean of its divisors is an integer number (7717426619364).

Almost surely, 2^{102202210021012} is an apocalyptic number.

It is an amenable number.

102202210021012 is a deficient number, since it is larger than the sum of its proper divisors (83016028843724).

102202210021012 is a wasteful number, since it uses less digits than its factorization.

102202210021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159022967 (or 7159022965 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102202210021012 its reverse (210120012202201), we get a palindrome (312322222223213).

The spelling of 102202210021012 in words is "one hundred two trillion, two hundred two billion, two hundred ten million, twenty-one thousand, twelve".