102712267205 has 16 divisors (see below), whose sum is σ = 123599758464. Its totient is φ = 81940023360.

The previous prime is 102712267169. The next prime is 102712267223. The reversal of 102712267205 is 502762217201.

It is not a de Polignac number, because 102712267205 - 2¹⁴ = 102712250821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3752720 + ... + 3779990.

It is an arithmetic number, because the mean of its divisors is an integer number (7724984904).

Almost surely, 2^102712267205 is an apocalyptic number.

It is an amenable number.

102712267205 is a deficient number, since it is larger than the sum of its proper divisors (20887491259).

102712267205 is a wasteful number, since it uses less digits than its factorization.

102712267205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29356.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 102712267205 in words is "one hundred two billion, seven hundred twelve million, two hundred sixty-seven thousand, two hundred five".