18454252112712 has 192 divisors, whose sum is σ = 56975842123200. Its totient is φ = 5354931617280.

The previous prime is 18454252112693. The next prime is 18454252112749. The reversal of 18454252112712 is 21721125245481.

18454252112712 is a `hidden beast` number, since 1 + 8 + 4 + 5 + 42 + 521 + 12 + 71 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6738214 + ... + 9072597.

It is an arithmetic number, because the mean of its divisors is an integer number (296749177725).

Almost surely, 2^{18454252112712} is an apocalyptic number.

18454252112712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18454252112712 is an abundant number, since it is smaller than the sum of its proper divisors (38521590010488).

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

18454252112712 is a wasteful number, since it uses less digits than its factorization.

18454252112712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810908 (or 15810901 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The spelling of 18454252112712 in words is "eighteen trillion, four hundred fifty-four billion, two hundred fifty-two million, one hundred twelve thousand, seven hundred twelve".