102112099542 has 12 divisors (see below), whose sum is σ = 221242882380. Its totient is φ = 34037366508.

The previous prime is 102112099541. The next prime is 102112099543. The reversal of 102112099542 is 245990211201.

102112099542 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 1 + 20 + 99 + 542 = 666.

It is an interprime number because it is at equal distance from previous prime (102112099541) and next prime (102112099543).

It is a junction number, because it is equal to n+sod(n) for n = 102112099497 and 102112099506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112099541) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2836447192 + ... + 2836447227.

It is an arithmetic number, because the mean of its divisors is an integer number (18436906865).

Almost surely, 2^102112099542 is an apocalyptic number.

102112099542 is an abundant number, since it is smaller than the sum of its proper divisors (119130782838).

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

102112099542 is a wasteful number, since it uses less digits than its factorization.

102112099542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672894427 (or 5672894424 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 102112099542 in words is "one hundred two billion, one hundred twelve million, ninety-nine thousand, five hundred forty-two".