186318312516212 has 6 divisors (see below), whose sum is σ = 326057046903378. Its totient is φ = 93159156258104.

The previous prime is 186318312516113. The next prime is 186318312516239. The reversal of 186318312516212 is 212615213813681.

186318312516212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 96166971538576 + 90151340977636 = 9806476^2 + 9494806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23289789064523 + ... + 23289789064530.

It is an arithmetic number, because the mean of its divisors is an integer number (54342841150563).

Almost surely, 2^{186318312516212} is an apocalyptic number.

It is an amenable number.

186318312516212 is a deficient number, since it is larger than the sum of its proper divisors (139738734387166).

186318312516212 is a wasteful number, since it uses less digits than its factorization.

186318312516212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46579578129057 (or 46579578129055 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The spelling of 186318312516212 in words is "one hundred eighty-six trillion, three hundred eighteen billion, three hundred twelve million, five hundred sixteen thousand, two hundred twelve".