11972301920 has 48 divisors (see below), whose sum is σ = 28312387488. Its totient is φ = 4784209920.

The previous prime is 11972301881. The next prime is 11972301931. The reversal of 11972301920 is 2910327911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128672 + ... + 201248.

It is an arithmetic number, because the mean of its divisors is an integer number (589841406).

Almost surely, 2^11972301920 is an apocalyptic number.

11972301920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11972301920 is an abundant number, since it is smaller than the sum of its proper divisors (16340085568).

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

11972301920 is a wasteful number, since it uses less digits than its factorization.

11972301920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73623 (or 73615 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 11972301920 in words is "eleven billion, nine hundred seventy-two million, three hundred one thousand, nine hundred twenty".