188012311206 has 64 divisors (see below), whose sum is σ = 400877538048. Its totient is φ = 58579780608.

The previous prime is 188012311183. The next prime is 188012311261. The reversal of 188012311206 is 602113210881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29042386 + ... + 29048858.

It is an arithmetic number, because the mean of its divisors is an integer number (6263711532).

Almost surely, 2^188012311206 is an apocalyptic number.

188012311206 is an abundant number, since it is smaller than the sum of its proper divisors (212865226842).

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

188012311206 is a wasteful number, since it uses less digits than its factorization.

188012311206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405.

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 188012311206 in words is "one hundred eighty-eight billion, twelve million, three hundred eleven thousand, two hundred six".