102158247312 has 60 divisors (see below), whose sum is σ = 311892229584. Its totient is φ = 30957044160.

The previous prime is 102158247287. The next prime is 102158247313. The reversal of 102158247312 is 213742851201.

102158247312 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 582 + 4 + 73 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (102158247313) by changing a digit.

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, 32245338 + ... + 32248505.

Almost surely, 2^102158247312 is an apocalyptic number.

102158247312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102158247312 is an abundant number, since it is smaller than the sum of its proper divisors (209733982272).

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

102158247312 is a wasteful number, since it uses less digits than its factorization.

102158247312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64493868 (or 64493859 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 102158247312 in words is "one hundred two billion, one hundred fifty-eight million, two hundred forty-seven thousand, three hundred twelve".