212723254292 has 6 divisors (see below), whose sum is σ = 372265695018. Its totient is φ = 106361627144.

The previous prime is 212723254277. The next prime is 212723254297. The reversal of 212723254292 is 292452327212.

It can be written as a sum of positive squares in only one way, i.e., 176336165776 + 36387088516 = 419924^2 + 190754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212723254297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26590406783 + ... + 26590406790.

It is an arithmetic number, because the mean of its divisors is an integer number (62044282503).

Almost surely, 2^212723254292 is an apocalyptic number.

It is an amenable number.

212723254292 is a deficient number, since it is larger than the sum of its proper divisors (159542440726).

212723254292 is a wasteful number, since it uses less digits than its factorization.

212723254292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53180813577 (or 53180813575 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The spelling of 212723254292 in words is "two hundred twelve billion, seven hundred twenty-three million, two hundred fifty-four thousand, two hundred ninety-two".