102112841826 has 24 divisors (see below), whose sum is σ = 222390842700. Its totient is φ = 33861252096.

The previous prime is 102112841813. The next prime is 102112841837. The reversal of 102112841826 is 628148211201.

102112841826 is a `hidden beast` number, since 1 + 0 + 211 + 2 + 8 + 418 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102112841601 + 225 = 319551^2 + 15^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14693251 + ... + 14700198.

Almost surely, 2^102112841826 is an apocalyptic number.

102112841826 is an abundant number, since it is smaller than the sum of its proper divisors (120278000874).

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

102112841826 is a wasteful number, since it uses less digits than its factorization.

102112841826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29393650 (or 29393647 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 102112841826 in words is "one hundred two billion, one hundred twelve million, eight hundred forty-one thousand, eight hundred twenty-six".