1081188222372 has 96 divisors (see below), whose sum is σ = 2890740787200. Its totient is φ = 349297552800.

The previous prime is 1081188222347. The next prime is 1081188222421. The reversal of 1081188222372 is 2732228811801.

1081188222372 is a `hidden beast` number, since 1 + 0 + 81 + 188 + 2 + 22 + 372 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742504 + ... + 1647327.

It is an arithmetic number, because the mean of its divisors is an integer number (30111883200).

Almost surely, 2^{1081188222372} is an apocalyptic number.

1081188222372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081188222372 is an abundant number, since it is smaller than the sum of its proper divisors (1809552564828).

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

1081188222372 is a wasteful number, since it uses less digits than its factorization.

1081188222372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389974 (or 2389966 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 1081188222372 in words is "one trillion, eighty-one billion, one hundred eighty-eight million, two hundred twenty-two thousand, three hundred seventy-two".