2120231210312 has 8 divisors (see below), whose sum is σ = 3975433519350. Its totient is φ = 1060115605152.

The previous prime is 2120231210311. The next prime is 2120231210359. The reversal of 2120231210312 is 2130121320212.

It can be written as a sum of positive squares in only one way, i.e., 1294739033956 + 825492176356 = 1137866^2 + 908566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2120231210311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132514450637 + ... + 132514450652.

Almost surely, 2^{2120231210312} is an apocalyptic number.

It is an amenable number.

2120231210312 is a deficient number, since it is larger than the sum of its proper divisors (1855202309038).

2120231210312 is a wasteful number, since it uses less digits than its factorization.

2120231210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265028901295 (or 265028901291 counting only the distinct ones).

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

Adding to 2120231210312 its reverse (2130121320212), we get a palindrome (4250352530524).

The spelling of 2120231210312 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, two hundred ten thousand, three hundred twelve".