120100200012 has 48 divisors (see below), whose sum is σ = 335322499680. Its totient is φ = 36953907264.

The previous prime is 120100199981. The next prime is 120100200019. The reversal of 120100200012 is 210002001021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120100199967 and 120100200003.

It is not an unprimeable number, because it can be changed into a prime (120100200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42769323 + ... + 42772130.

It is an arithmetic number, because the mean of its divisors is an integer number (6985885410).

Almost surely, 2^120100200012 is an apocalyptic number.

120100200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120100200012 is an abundant number, since it is smaller than the sum of its proper divisors (215222299668).

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

120100200012 is a wasteful number, since it uses less digits than its factorization.

120100200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85541479 (or 85541471 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120100200012 its reverse (210002001021), we get a palindrome (330102201033).

The spelling of 120100200012 in words is "one hundred twenty billion, one hundred million, two hundred thousand, twelve".