2120021120012 has 12 divisors (see below), whose sum is σ = 3905302063320. Its totient is φ = 1004220530496.

The previous prime is 2120021120011. The next prime is 2120021120071. The reversal of 2120021120012 is 2100211200212.

It is not an unprimeable number, because it can be changed into a prime (2120021120011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13947507293 + ... + 13947507444.

It is an arithmetic number, because the mean of its divisors is an integer number (325441838610).

Almost surely, 2^{2120021120012} is an apocalyptic number.

It is an amenable number.

2120021120012 is a deficient number, since it is larger than the sum of its proper divisors (1785280943308).

2120021120012 is a wasteful number, since it uses less digits than its factorization.

2120021120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27895014760 (or 27895014758 counting only the distinct ones).

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

Adding to 2120021120012 its reverse (2100211200212), we get a palindrome (4220232320224).

The spelling of 2120021120012 in words is "two trillion, one hundred twenty billion, twenty-one million, one hundred twenty thousand, twelve".