2120121222212 has 24 divisors (see below), whose sum is σ = 4249901335680. Its totient is φ = 906553618560.

The previous prime is 2120121222199. The next prime is 2120121222221. The reversal of 2120121222212 is 2122221210212.

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, 86227589 + ... + 86252172.

It is an arithmetic number, because the mean of its divisors is an integer number (177079222320).

Almost surely, 2^{2120121222212} is an apocalyptic number.

It is an amenable number.

2120121222212 is an abundant number, since it is smaller than the sum of its proper divisors (2129780113468).

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

2120121222212 is a wasteful number, since it uses less digits than its factorization.

2120121222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172480211 (or 172480209 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2120121222212 its reverse (2122221210212), we get a palindrome (4242342432424).

The spelling of 2120121222212 in words is "two trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twelve".