102212655364642 has 16 divisors (see below), whose sum is σ = 154758207928320. Its totient is φ = 50628801952512.

The previous prime is 102212655364639. The next prime is 102212655364669. The reversal of 102212655364642 is 246463556212201.

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, 553881858 + ... + 554066365.

It is an arithmetic number, because the mean of its divisors is an integer number (9672387995520).

Almost surely, 2^{102212655364642} is an apocalyptic number.

102212655364642 is a deficient number, since it is larger than the sum of its proper divisors (52545552563678).

102212655364642 is a wasteful number, since it uses less digits than its factorization.

102212655364642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107948657.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 102212655364642 in words is "one hundred two trillion, two hundred twelve billion, six hundred fifty-five million, three hundred sixty-four thousand, six hundred forty-two".