2121026201212 has 6 divisors (see below), whose sum is σ = 3711795852128. Its totient is φ = 1060513100604.

The previous prime is 2121026201171. The next prime is 2121026201213.

2121026201212 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121026201213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265128275148 + ... + 265128275155.

Almost surely, 2^{2121026201212} is an apocalyptic number.

It is an amenable number.

2121026201212 is a deficient number, since it is larger than the sum of its proper divisors (1590769650916).

2121026201212 is a wasteful number, since it uses less digits than its factorization.

2121026201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530256550307 (or 530256550305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 2121026201212 in words is "two trillion, one hundred twenty-one billion, twenty-six million, two hundred one thousand, two hundred twelve".