2120211302312 has 32 divisors (see below), whose sum is σ = 4020420198600. Its totient is φ = 1048128864000.

The previous prime is 2120211302299. The next prime is 2120211302359. The reversal of 2120211302312 is 2132031120212.

It can be written as a sum of positive squares in 4 ways, for example, as 1942773219556 + 177438082756 = 1393834^2 + 421234^2 .

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, 1277639 + ... + 2423382.

Almost surely, 2^{2120211302312} is an apocalyptic number.

It is an amenable number.

2120211302312 is a deficient number, since it is larger than the sum of its proper divisors (1900208896288).

2120211302312 is a wasteful number, since it uses less digits than its factorization.

2120211302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701837 (or 3701833 counting only the distinct ones).

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

Adding to 2120211302312 its reverse (2132031120212), we get a palindrome (4252242422524).

The spelling of 2120211302312 in words is "two trillion, one hundred twenty billion, two hundred eleven million, three hundred two thousand, three hundred twelve".