2120102121200 has 120 divisors (see below), whose sum is σ = 5847300415488. Its totient is φ = 723632336640.

The previous prime is 2120102121197. The next prime is 2120102121223. The reversal of 2120102121200 is 21212010212.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 1073312 + ... + 2322111.

Almost surely, 2^{2120102121200} is an apocalyptic number.

2120102121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120102121200 is an abundant number, since it is smaller than the sum of its proper divisors (3727198294288).

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

2120102121200 is a wasteful number, since it uses less digits than its factorization.

2120102121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395671 (or 3395660 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120102121200 its reverse (21212010212), we get a palindrome (2141314131412).

The spelling of 2120102121200 in words is "two trillion, one hundred twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred".