102544042512 has 20 divisors (see below), whose sum is σ = 264905443280. Its totient is φ = 34181347488.

The previous prime is 102544042501. The next prime is 102544042541. The reversal of 102544042512 is 215240445201.

It is a self number, because there is not a number n which added to its sum of digits gives 102544042512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068167062 + ... + 1068167157.

It is an arithmetic number, because the mean of its divisors is an integer number (13245272164).

Almost surely, 2^102544042512 is an apocalyptic number.

102544042512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102544042512 is an abundant number, since it is smaller than the sum of its proper divisors (162361400768).

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

102544042512 is a wasteful number, since it uses less digits than its factorization.

102544042512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136334230 (or 2136334224 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 102544042512 its reverse (215240445201), we get a palindrome (317784487713).

The spelling of 102544042512 in words is "one hundred two billion, five hundred forty-four million, forty-two thousand, five hundred twelve".