212492887293 has 4 divisors (see below), whose sum is σ = 283323849728. Its totient is φ = 141661924860.

The previous prime is 212492887291. The next prime is 212492887337. The reversal of 212492887293 is 392788294212.

212492887293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 212492887293 - 2¹ = 212492887291 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 (212492887291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35415481213 + ... + 35415481218.

It is an arithmetic number, because the mean of its divisors is an integer number (70830962432).

Almost surely, 2^212492887293 is an apocalyptic number.

It is an amenable number.

212492887293 is a deficient number, since it is larger than the sum of its proper divisors (70830962435).

212492887293 is an equidigital number, since it uses as much as digits as its factorization.

212492887293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70830962434.

The product of its digits is 6967296, while the sum is 57.

The spelling of 212492887293 in words is "two hundred twelve billion, four hundred ninety-two million, eight hundred eighty-seven thousand, two hundred ninety-three".