2121102011212 has 48 divisors (see below), whose sum is σ = 3773548445184. Its totient is φ = 1043100000000.

The previous prime is 2121102011209. The next prime is 2121102011219.

2121102011212 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2121102011219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56542462 + ... + 56579962.

It is an arithmetic number, because the mean of its divisors is an integer number (78615592608).

Almost surely, 2^{2121102011212} is an apocalyptic number.

It is an amenable number.

2121102011212 is a deficient number, since it is larger than the sum of its proper divisors (1652446433972).

2121102011212 is a wasteful number, since it uses less digits than its factorization.

2121102011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38530 (or 38528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The spelling of 2121102011212 in words is "two trillion, one hundred twenty-one billion, one hundred two million, eleven thousand, two hundred twelve".