1372212972 has 72 divisors (see below), whose sum is σ = 3740178624. Its totient is φ = 421687296.

The previous prime is 1372212929. The next prime is 1372212977. The reversal of 1372212972 is 2792122731.

1372212972 is a `hidden beast` number, since 1 + 372 + 212 + 9 + 72 = 666.

1372212972 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1372212977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538333 + ... + 540875.

Almost surely, 2^1372212972 is an apocalyptic number.

1372212972 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 1372212972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870089312).

1372212972 is an abundant number, since it is smaller than the sum of its proper divisors (2367965652).

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

1372212972 is a wasteful number, since it uses less digits than its factorization.

1372212972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719 (or 3714 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 1372212972 is about 37043.3930951256. The cubic root of 1372212972 is about 1111.2382286372.

The spelling of 1372212972 in words is "one billion, three hundred seventy-two million, two hundred twelve thousand, nine hundred seventy-two".