2120313312212 has 48 divisors (see below), whose sum is σ = 3805770189312. Its totient is φ = 1033151374080.

The previous prime is 2120313312191. The next prime is 2120313312223. The reversal of 2120313312212 is 2122133130212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55700978 + ... + 55739030.

It is an arithmetic number, because the mean of its divisors is an integer number (79286878944).

Almost surely, 2^{2120313312212} is an apocalyptic number.

It is an amenable number.

2120313312212 is a deficient number, since it is larger than the sum of its proper divisors (1685456877100).

2120313312212 is a wasteful number, since it uses less digits than its factorization.

2120313312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39368 (or 39366 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2120313312212 its reverse (2122133130212), we get a palindrome (4242446442424).

The spelling of 2120313312212 in words is "two trillion, one hundred twenty billion, three hundred thirteen million, three hundred twelve thousand, two hundred twelve".