2120011012012 has 48 divisors (see below), whose sum is σ = 3921592147200. Its totient is φ = 1000023624000.

The previous prime is 2120011011997. The next prime is 2120011012037. The reversal of 2120011012012 is 2102101100212.

It is a junction number, because it is equal to n+sod(n) for n = 2120011011983 and 2120011012001.

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, 177267289 + ... + 177279247.

It is an arithmetic number, because the mean of its divisors is an integer number (81699836400).

Almost surely, 2^{2120011012012} is an apocalyptic number.

It is an amenable number.

2120011012012 is a deficient number, since it is larger than the sum of its proper divisors (1801581135188).

2120011012012 is a wasteful number, since it uses less digits than its factorization.

2120011012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21526 (or 21524 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2120011012012 its reverse (2102101100212), we get a palindrome (4222112112224).

The spelling of 2120011012012 in words is "two trillion, one hundred twenty billion, eleven million, twelve thousand, twelve".