2120110020012 has 12 divisors (see below), whose sum is σ = 4946923380056. Its totient is φ = 706703340000.

The previous prime is 2120110019971. The next prime is 2120110020073. The reversal of 2120110020012 is 2100200110212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 176675835001 = 2120110020012 / (2 + 1 + 2 + 0 + 1 + 1 + 0 + 0 + 2 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 2120110020012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88337917489 + ... + 88337917512.

Almost surely, 2^{2120110020012} is an apocalyptic number.

It is an amenable number.

2120110020012 is an abundant number, since it is smaller than the sum of its proper divisors (2826813360044).

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

2120110020012 is a wasteful number, since it uses less digits than its factorization.

2120110020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176675835008 (or 176675835006 counting only the distinct ones).

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

Adding to 2120110020012 its reverse (2100200110212), we get a palindrome (4220310130224).

The spelling of 2120110020012 in words is "two trillion, one hundred twenty billion, one hundred ten million, twenty thousand, twelve".