123102012013187 has 2 divisors, whose sum is σ = 123102012013188. Its totient is φ = 123102012013186.

The previous prime is 123102012013153. The next prime is 123102012013223. The reversal of 123102012013187 is 781310210201321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123102012013187 is a prime.

It is not a weakly prime, because it can be changed into another prime (123102012016187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551006006593 + 61551006006594.

It is an arithmetic number, because the mean of its divisors is an integer number (61551006006594).

Almost surely, 2^{123102012013187} is an apocalyptic number.

123102012013187 is a deficient number, since it is larger than the sum of its proper divisors (1).

123102012013187 is an equidigital number, since it uses as much as digits as its factorization.

123102012013187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 123102012013187 in words is "one hundred twenty-three trillion, one hundred two billion, twelve million, thirteen thousand, one hundred eighty-seven".