102140015412 has 24 divisors (see below), whose sum is σ = 238348950112. Its totient is φ = 34043493600.

The previous prime is 102140015287. The next prime is 102140015431. The reversal of 102140015412 is 214510041201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 261514 + ... + 522177.

Almost surely, 2^102140015412 is an apocalyptic number.

102140015412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102140015412 is an abundant number, since it is smaller than the sum of its proper divisors (136208934700).

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

102140015412 is a wasteful number, since it uses less digits than its factorization.

102140015412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794559 (or 794557 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 102140015412 its reverse (214510041201), we get a palindrome (316650056613).

The spelling of 102140015412 in words is "one hundred two billion, one hundred forty million, fifteen thousand, four hundred twelve".