188045128612 has 36 divisors (see below), whose sum is σ = 361904025168. Its totient is φ = 85430369200.

The previous prime is 188045128573. The next prime is 188045128631. The reversal of 188045128612 is 216821540881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834003 + ... + 1035205.

It is an arithmetic number, because the mean of its divisors is an integer number (10052889588).

Almost surely, 2^188045128612 is an apocalyptic number.

It is an amenable number.

188045128612 is a deficient number, since it is larger than the sum of its proper divisors (173858896556).

188045128612 is a wasteful number, since it uses less digits than its factorization.

188045128612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203160 (or 203147 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 46.

The spelling of 188045128612 in words is "one hundred eighty-eight billion, forty-five million, one hundred twenty-eight thousand, six hundred twelve".