120011111021200 has 120 divisors (see below), whose sum is σ = 329539629605888. Its totient is φ = 41143743728640.

The previous prime is 120011111021189. The next prime is 120011111021209. The reversal of 120011111021200 is 2120111110021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120011111021209) 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, 38085124 + ... + 41115676.

Almost surely, 2^{120011111021200} is an apocalyptic number.

120011111021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011111021200 is an abundant number, since it is smaller than the sum of its proper divisors (209528518584688).

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

120011111021200 is a wasteful number, since it uses less digits than its factorization.

120011111021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044721 (or 3044710 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120011111021200 its reverse (2120111110021), we get a palindrome (122131222131221).

The spelling of 120011111021200 in words is "one hundred twenty trillion, eleven billion, one hundred eleven million, twenty-one thousand, two hundred".