120201023100 has 72 divisors (see below), whose sum is σ = 357181163248. Its totient is φ = 31187289600.

The previous prime is 120201023083. The next prime is 120201023153. The reversal of 120201023100 is 1320102021.

It is a super-2 number, since 2×120201023100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5403361 + ... + 5425560.

Almost surely, 2^120201023100 is an apocalyptic number.

120201023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201023100 is an abundant number, since it is smaller than the sum of its proper divisors (236980140148).

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

120201023100 is a wasteful number, since it uses less digits than its factorization.

120201023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10828975 (or 10828968 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120201023100 its reverse (1320102021), we get a palindrome (121521125121).

The spelling of 120201023100 in words is "one hundred twenty billion, two hundred one million, twenty-three thousand, one hundred".