212253125999 has 16 divisors (see below), whose sum is σ = 214977860160. Its totient is φ = 209541600000.

The previous prime is 212253125993. The next prime is 212253126011. The reversal of 212253125999 is 999521352212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212253125999 - 2³² = 207958158703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212253125993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64887734 + ... + 64891004.

It is an arithmetic number, because the mean of its divisors is an integer number (13436116260).

Almost surely, 2^212253125999 is an apocalyptic number.

212253125999 is a deficient number, since it is larger than the sum of its proper divisors (2724734161).

212253125999 is a wasteful number, since it uses less digits than its factorization.

212253125999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042.

The product of its digits is 874800, while the sum is 50.

The spelling of 212253125999 in words is "two hundred twelve billion, two hundred fifty-three million, one hundred twenty-five thousand, nine hundred ninety-nine".