2121233133212 has 24 divisors (see below), whose sum is σ = 3715488957600. Its totient is φ = 1059665253696.

The previous prime is 2121233133203. The next prime is 2121233133281. The reversal of 2121233133212 is 2123313321212.

It is a congruent number.

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, 22641938 + ... + 22735430.

It is an arithmetic number, because the mean of its divisors is an integer number (154812039900).

Almost surely, 2^{2121233133212} is an apocalyptic number.

It is an amenable number.

2121233133212 is a deficient number, since it is larger than the sum of its proper divisors (1594255824388).

2121233133212 is a wasteful number, since it uses less digits than its factorization.

2121233133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98525 (or 98523 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 2121233133212 its reverse (2123313321212), we get a palindrome (4244546454424).

The spelling of 2121233133212 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three million, one hundred thirty-three thousand, two hundred twelve".