69188972112 has 720 divisors, whose sum is σ = 239444674560. Its totient is φ = 18477268992.

The previous prime is 69188971961. The next prime is 69188972159. The reversal of 69188972112 is 21127988196.

It is a happy number.

It is a super-2 number, since 2×69188972112² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 544794993 + ... + 544795119.

It is an arithmetic number, because the mean of its divisors is an integer number (332562048).

Almost surely, 2^69188972112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69188972112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119722337280).

69188972112 is an abundant number, since it is smaller than the sum of its proper divisors (170255702448).

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

69188972112 is a wasteful number, since it uses less digits than its factorization.

69188972112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 234 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The spelling of 69188972112 in words is "sixty-nine billion, one hundred eighty-eight million, nine hundred seventy-two thousand, one hundred twelve".