120231241920 has 140 divisors (see below), whose sum is σ = 427683771504. Its totient is φ = 32061657600.

The previous prime is 120231241891. The next prime is 120231241931. The reversal of 120231241920 is 29142132021.

120231241920 is a `hidden beast` number, since 12 + 0 + 231 + 2 + 419 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2293356 + ... + 2345195.

Almost surely, 2^120231241920 is an apocalyptic number.

120231241920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120231241920 is an abundant number, since it is smaller than the sum of its proper divisors (307452529584).

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

120231241920 is an equidigital number, since it uses as much as digits as its factorization.

120231241920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638580 (or 4638561 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 120231241920 its reverse (29142132021), we get a palindrome (149373373941).

The spelling of 120231241920 in words is "one hundred twenty billion, two hundred thirty-one million, two hundred forty-one thousand, nine hundred twenty".