212594150797 has 4 divisors (see below), whose sum is σ = 242964743776. Its totient is φ = 182223557820.

The previous prime is 212594150737. The next prime is 212594150801. The reversal of 212594150797 is 797051495212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212594150797 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 (212594150737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15185296479 + ... + 15185296492.

It is an arithmetic number, because the mean of its divisors is an integer number (60741185944).

Almost surely, 2^212594150797 is an apocalyptic number.

It is an amenable number.

212594150797 is a deficient number, since it is larger than the sum of its proper divisors (30370592979).

212594150797 is an equidigital number, since it uses as much as digits as its factorization.

212594150797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30370592978.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 212594150797 in words is "two hundred twelve billion, five hundred ninety-four million, one hundred fifty thousand, seven hundred ninety-seven".