2121032301212 has 18 divisors (see below), whose sum is σ = 4079919572064. Its totient is φ = 964105591240.

The previous prime is 2121032301211. The next prime is 2121032301251.

2121032301212 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121032301211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2191148588 + ... + 2191149555.

It is an arithmetic number, because the mean of its divisors is an integer number (226662198448).

Almost surely, 2^{2121032301212} is an apocalyptic number.

2121032301212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2121032301212 is a deficient number, since it is larger than the sum of its proper divisors (1958887270852).

2121032301212 is a wasteful number, since it uses less digits than its factorization.

2121032301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382298169 (or 4382298156 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 2121032301212 in words is "two trillion, one hundred twenty-one billion, thirty-two million, three hundred one thousand, two hundred twelve".