2120121002212 has 12 divisors (see below), whose sum is σ = 3720904009200. Its totient is φ = 1057005571016.

The previous prime is 2120121002203. The next prime is 2120121002213. The reversal of 2120121002212 is 2122001210212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120121002213) 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, 763730962 + ... + 763733737.

It is an arithmetic number, because the mean of its divisors is an integer number (310075334100).

Almost surely, 2^{2120121002212} is an apocalyptic number.

It is an amenable number.

2120121002212 is a deficient number, since it is larger than the sum of its proper divisors (1600783006988).

2120121002212 is a wasteful number, since it uses less digits than its factorization.

2120121002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527465050 (or 1527465048 counting only the distinct ones).

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

Adding to 2120121002212 its reverse (2122001210212), we get a palindrome (4242122212424).

The spelling of 2120121002212 in words is "two trillion, one hundred twenty billion, one hundred twenty-one million, two thousand, two hundred twelve".