2123126213212 has 24 divisors (see below), whose sum is σ = 3717402822000. Its totient is φ = 1061011249536.

The previous prime is 2123126213179. The next prime is 2123126213237.

It is a happy number.

2123126213212 is nontrivially palindromic in base 10.

It is a congruent number.

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, 111329614 + ... + 111348682.

It is an arithmetic number, because the mean of its divisors is an integer number (154891784250).

Almost surely, 2^{2123126213212} is an apocalyptic number.

It is an amenable number.

2123126213212 is a deficient number, since it is larger than the sum of its proper divisors (1594276608788).

2123126213212 is a wasteful number, since it uses less digits than its factorization.

2123126213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32085 (or 32083 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The spelling of 2123126213212 in words is "two trillion, one hundred twenty-three billion, one hundred twenty-six million, two hundred thirteen thousand, two hundred twelve".