212453022304 has 24 divisors (see below), whose sum is σ = 440280935640. Its totient is φ = 100635641856.

The previous prime is 212453022293. The next prime is 212453022311. The reversal of 212453022304 is 403220354212.

It is a super-2 number, since 2×212453022304² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 174714049 + ... + 174715264.

It is an arithmetic number, because the mean of its divisors is an integer number (18345038985).

Almost surely, 2^212453022304 is an apocalyptic number.

It is an amenable number.

212453022304 is an abundant number, since it is smaller than the sum of its proper divisors (227827913336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212453022304 is a wasteful number, since it uses less digits than its factorization.

212453022304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349429342 (or 349429334 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 212453022304 its reverse (403220354212), we get a palindrome (615673376516).

The spelling of 212453022304 in words is "two hundred twelve billion, four hundred fifty-three million, twenty-two thousand, three hundred four".