1872372220992 has 840 divisors, whose sum is σ = 7230628363200. Its totient is φ = 467793211392.

The previous prime is 1872372220991. The next prime is 1872372221023. The reversal of 1872372220992 is 2990222732781.

1872372220992 is a `hidden beast` number, since 187 + 2 + 372 + 2 + 2 + 0 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1872372220991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 116512734 + ... + 116528802.

Almost surely, 2^{1872372220992} is an apocalyptic number.

1872372220992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1872372220992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615314181600).

1872372220992 is an abundant number, since it is smaller than the sum of its proper divisors (5358256142208).

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

1872372220992 is a wasteful number, since it uses less digits than its factorization.

1872372220992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16145 (or 16113 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1872372220992 in words is "one trillion, eight hundred seventy-two billion, three hundred seventy-two million, two hundred twenty thousand, nine hundred ninety-two".