212303252455420 has 24 divisors (see below), whose sum is σ = 509527805893344. Its totient is φ = 72789686556096.

The previous prime is 212303252455417. The next prime is 212303252455453. The reversal of 212303252455420 is 24554252303212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758225901487 + ... + 758225901766.

It is an arithmetic number, because the mean of its divisors is an integer number (21230325245556).

Almost surely, 2^{212303252455420} is an apocalyptic number.

212303252455420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212303252455420 is an abundant number, since it is smaller than the sum of its proper divisors (297224553437924).

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

212303252455420 is a wasteful number, since it uses less digits than its factorization.

212303252455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516451803269 (or 1516451803267 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 212303252455420 in words is "two hundred twelve trillion, three hundred three billion, two hundred fifty-two million, four hundred fifty-five thousand, four hundred twenty".