2123120223232 has 44 divisors (see below), whose sum is σ = 4493824011180. Its totient is φ = 999115390976.

The previous prime is 2123120223199. The next prime is 2123120223253. The reversal of 2123120223232 is 2323220213212.

It can be written as a sum of positive squares in 2 ways, for example, as 1613347070976 + 509773152256 = 1270176^2 + 713984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2123120223197 and 2123120223206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60963757 + ... + 60998572.

Almost surely, 2^{2123120223232} is an apocalyptic number.

It is an amenable number.

2123120223232 is an abundant number, since it is smaller than the sum of its proper divisors (2370703787948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123120223232 is a wasteful number, since it uses less digits than its factorization.

2123120223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121962366 (or 121962348 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2123120223232 its reverse (2323220213212), we get a palindrome (4446340436444).

The spelling of 2123120223232 in words is "two trillion, one hundred twenty-three billion, one hundred twenty million, two hundred twenty-three thousand, two hundred thirty-two".