189120022112 has 72 divisors (see below), whose sum is σ = 441290865456. Its totient is φ = 79522130688.

The previous prime is 189120022103. The next prime is 189120022123. The reversal of 189120022112 is 211220021981.

It is a congruent 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, 1054748 + ... + 1220955.

It is an arithmetic number, because the mean of its divisors is an integer number (6129039798).

Almost surely, 2^189120022112 is an apocalyptic number.

It is an amenable number.

189120022112 is an abundant number, since it is smaller than the sum of its proper divisors (252170843344).

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

189120022112 is a wasteful number, since it uses less digits than its factorization.

189120022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275780 (or 2275765 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 189120022112 in words is "one hundred eighty-nine billion, one hundred twenty million, twenty-two thousand, one hundred twelve".