120023203212 has 72 divisors (see below), whose sum is σ = 338670171840. Its totient is φ = 35524833120.

The previous prime is 120023203211. The next prime is 120023203249. The reversal of 120023203212 is 212302320021.

120023203212 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 320 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120023203211) 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, 3507262 + ... + 3541317.

Almost surely, 2^120023203212 is an apocalyptic number.

120023203212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120023203212 is an abundant number, since it is smaller than the sum of its proper divisors (218646968628).

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

120023203212 is a wasteful number, since it uses less digits than its factorization.

120023203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048643 (or 7048638 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120023203212 its reverse (212302320021), we get a palindrome (332325523233).

The spelling of 120023203212 in words is "one hundred twenty billion, twenty-three million, two hundred three thousand, two hundred twelve".