102012012101986 has 64 divisors (see below), whose sum is σ = 186146506506240. Its totient is φ = 41003839440000.

The previous prime is 102012012101947. The next prime is 102012012102037. The reversal of 102012012101986 is 689101210210201.

It is a super-2 number, since 2×102012012101986² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16296366 + ... + 21670153.

It is an arithmetic number, because the mean of its divisors is an integer number (2908539164160).

Almost surely, 2^{102012012101986} is an apocalyptic number.

102012012101986 is a deficient number, since it is larger than the sum of its proper divisors (84134494404254).

102012012101986 is a wasteful number, since it uses less digits than its factorization.

102012012101986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37966751.

The product of its (nonzero) digits is 3456, while the sum is 34.

The spelling of 102012012101986 in words is "one hundred two trillion, twelve billion, twelve million, one hundred one thousand, nine hundred eighty-six".