2123365188212 has 6 divisors (see below), whose sum is σ = 3715889079378. Its totient is φ = 1061682594104.

The previous prime is 2123365188157. The next prime is 2123365188253. The reversal of 2123365188212 is 2128815633212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1371461156836 + 751904031376 = 1171094^2 + 867124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265420648523 + ... + 265420648530.

It is an arithmetic number, because the mean of its divisors is an integer number (619314846563).

Almost surely, 2^{2123365188212} is an apocalyptic number.

It is an amenable number.

2123365188212 is a deficient number, since it is larger than the sum of its proper divisors (1592523891166).

2123365188212 is a wasteful number, since it uses less digits than its factorization.

2123365188212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530841297057 (or 530841297055 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The spelling of 2123365188212 in words is "two trillion, one hundred twenty-three billion, three hundred sixty-five million, one hundred eighty-eight thousand, two hundred twelve".