189237656012 has 24 divisors (see below), whose sum is σ = 331905815136. Its totient is φ = 94407517568.

The previous prime is 189237655987. The next prime is 189237656017. The reversal of 189237656012 is 210656732981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189237656017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10600358 + ... + 10618194.

It is an arithmetic number, because the mean of its divisors is an integer number (13829408964).

Almost surely, 2^189237656012 is an apocalyptic number.

It is an amenable number.

189237656012 is a deficient number, since it is larger than the sum of its proper divisors (142668159124).

189237656012 is a wasteful number, since it uses less digits than its factorization.

189237656012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23617 (or 23615 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 189237656012 in words is "one hundred eighty-nine billion, two hundred thirty-seven million, six hundred fifty-six thousand, twelve".