2120120011200 has 84 divisors (see below), whose sum is σ = 6955760419160. Its totient is φ = 565365335040.

The previous prime is 2120120011169. The next prime is 2120120011249. The reversal of 2120120011200 is 21100210212.

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 11 ways as a sum of consecutive naturals, for example, 220841035 + ... + 220850634.

Almost surely, 2^{2120120011200} is an apocalyptic number.

2120120011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120120011200 is an abundant number, since it is smaller than the sum of its proper divisors (4835640407960).

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

2120120011200 is a wasteful number, since it uses less digits than its factorization.

2120120011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441691694 (or 441691679 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2120120011200 its reverse (21100210212), we get a palindrome (2141220221412).

The spelling of 2120120011200 in words is "two trillion, one hundred twenty billion, one hundred twenty million, eleven thousand, two hundred".