188909023412 has 12 divisors (see below), whose sum is σ = 330657706176. Its totient is φ = 94435393080.

The previous prime is 188909023411. The next prime is 188909023427. The reversal of 188909023412 is 214320909881.

188909023412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×188909023412³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188909023411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4757414 + ... + 4796957.

It is an arithmetic number, because the mean of its divisors is an integer number (27554808848).

Almost surely, 2^188909023412 is an apocalyptic number.

It is an amenable number.

188909023412 is a deficient number, since it is larger than the sum of its proper divisors (141748682764).

188909023412 is a wasteful number, since it uses less digits than its factorization.

188909023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9559318 (or 9559316 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 188909023412 in words is "one hundred eighty-eight billion, nine hundred nine million, twenty-three thousand, four hundred twelve".