212413432220 has 48 divisors (see below), whose sum is σ = 498488661216. Its totient is φ = 75357312000.

The previous prime is 212413432199. The next prime is 212413432229. The reversal of 212413432220 is 22234314212.

212413432220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212413432220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212413432229) 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 15 ways as a sum of consecutive naturals, for example, 11765561 + ... + 11783600.

It is an arithmetic number, because the mean of its divisors is an integer number (10385180442).

Almost surely, 2^212413432220 is an apocalyptic number.

212413432220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212413432220 is an abundant number, since it is smaller than the sum of its proper divisors (286075228996).

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

212413432220 is a wasteful number, since it uses less digits than its factorization.

212413432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23549222 (or 23549220 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212413432220 its reverse (22234314212), we get a palindrome (234647746432).

The spelling of 212413432220 in words is "two hundred twelve billion, four hundred thirteen million, four hundred thirty-two thousand, two hundred twenty".