2123356533212 has 48 divisors (see below), whose sum is σ = 3779207712000. Its totient is φ = 1043736729600.

The previous prime is 2123356533163. The next prime is 2123356533227.

2123356533212 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 15 ways as a sum of consecutive naturals, for example, 248545013 + ... + 248553555.

It is an arithmetic number, because the mean of its divisors is an integer number (78733494000).

Almost surely, 2^{2123356533212} is an apocalyptic number.

It is an amenable number.

2123356533212 is a deficient number, since it is larger than the sum of its proper divisors (1655851178788).

2123356533212 is a wasteful number, since it uses less digits than its factorization.

2123356533212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12926 (or 12924 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The spelling of 2123356533212 in words is "two trillion, one hundred twenty-three billion, three hundred fifty-six million, five hundred thirty-three thousand, two hundred twelve".