2120643312332 has 12 divisors (see below), whose sum is σ = 3711151049760. Its totient is φ = 1060314440976.

The previous prime is 2120643312323. The next prime is 2120643312409. The reversal of 2120643312332 is 2332133460212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113107 + ... + 2341002.

It is an arithmetic number, because the mean of its divisors is an integer number (309262587480).

Almost surely, 2^{2120643312332} is an apocalyptic number.

It is an amenable number.

2120643312332 is a deficient number, since it is larger than the sum of its proper divisors (1590507737428).

2120643312332 is a wasteful number, since it uses less digits than its factorization.

2120643312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607600 (or 3607598 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 2120643312332 its reverse (2332133460212), we get a palindrome (4452776772544).

The spelling of 2120643312332 in words is "two trillion, one hundred twenty billion, six hundred forty-three million, three hundred twelve thousand, three hundred thirty-two".