212245183826 has 8 divisors (see below), whose sum is σ = 342857604684. Its totient is φ = 97959315600.

The previous prime is 212245183807. The next prime is 212245183933. The reversal of 212245183826 is 628381542212.

It can be written as a sum of positive squares in 2 ways, for example, as 186421015225 + 25824168601 = 431765^2 + 160699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081638125 + ... + 4081638176.

Almost surely, 2^212245183826 is an apocalyptic number.

212245183826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212245183826 is a deficient number, since it is larger than the sum of its proper divisors (130612420858).

212245183826 is a wasteful number, since it uses less digits than its factorization.

212245183826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163276316.

The product of its digits is 368640, while the sum is 44.

The spelling of 212245183826 in words is "two hundred twelve billion, two hundred forty-five million, one hundred eighty-three thousand, eight hundred twenty-six".