120010001021200 has 60 divisors (see below), whose sum is σ = 288361484395600. Its totient is φ = 47997764081280.

The previous prime is 120010001021159. The next prime is 120010001021233. The reversal of 120010001021200 is 2120100010021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16405074 + ... + 22564273.

Almost surely, 2^{120010001021200} is an apocalyptic number.

120010001021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120010001021200 is an abundant number, since it is smaller than the sum of its proper divisors (168351483374400).

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

120010001021200 is a wasteful number, since it uses less digits than its factorization.

120010001021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38977064 (or 38977053 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120010001021200 its reverse (2120100010021), we get a palindrome (122130101031221).

The spelling of 120010001021200 in words is "one hundred twenty trillion, ten billion, one million, twenty-one thousand, two hundred".