2120012202112 has 64 divisors (see below), whose sum is σ = 4831330939200. Its totient is φ = 907726316544.

The previous prime is 2120012202107. The next prime is 2120012202163. The reversal of 2120012202112 is 2112022100212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148858 + ... + 2064505.

It is an arithmetic number, because the mean of its divisors is an integer number (75489545925).

Almost surely, 2^{2120012202112} is an apocalyptic number.

It is an amenable number.

2120012202112 is an abundant number, since it is smaller than the sum of its proper divisors (2711318737088).

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

2120012202112 is a wasteful number, since it uses less digits than its factorization.

2120012202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214453 (or 2214441 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120012202112 its reverse (2112022100212), we get a palindrome (4232034302324).

The spelling of 2120012202112 in words is "two trillion, one hundred twenty billion, twelve million, two hundred two thousand, one hundred twelve".