2120001120120 has 64 divisors (see below), whose sum is σ = 6849234393120. Its totient is φ = 521846429184.

The previous prime is 2120001120119. The next prime is 2120001120191. The reversal of 2120001120120 is 210211000212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2120001120096 and 2120001120105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679485979 + ... + 679489098.

Almost surely, 2^{2120001120120} is an apocalyptic number.

2120001120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120001120120 is an abundant number, since it is smaller than the sum of its proper divisors (4729233273000).

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

2120001120120 is a wasteful number, since it uses less digits than its factorization.

2120001120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358975104 (or 1358975100 counting only the distinct ones).

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

Adding to 2120001120120 its reverse (210211000212), we get a palindrome (2330212120332).

The spelling of 2120001120120 in words is "two trillion, one hundred twenty billion, one million, one hundred twenty thousand, one hundred twenty".