102212427545538 has 16 divisors (see below), whose sum is σ = 204425358299040. Its totient is φ = 34070725313856.

The previous prime is 102212427545537. The next prime is 102212427545539. The reversal of 102212427545538 is 835545724212201.

It is an interprime number because it is at equal distance from previous prime (102212427545537) and next prime (102212427545539).

It is not an unprimeable number, because it can be changed into a prime (102212427545533) 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, 18300328 + ... + 23223411.

It is an arithmetic number, because the mean of its divisors is an integer number (12776584893690).

Almost surely, 2^{102212427545538} is an apocalyptic number.

102212427545538 is an abundant number, since it is smaller than the sum of its proper divisors (102212930753502).

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

102212427545538 is a wasteful number, since it uses less digits than its factorization.

102212427545538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41934001.

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 102212427545538 in words is "one hundred two trillion, two hundred twelve billion, four hundred twenty-seven million, five hundred forty-five thousand, five hundred thirty-eight".