212343112404420 has 48 divisors (see below), whose sum is σ = 594845602823808. Its totient is φ = 56597697775360.

The previous prime is 212343112404377. The next prime is 212343112404491. The reversal of 212343112404420 is 24404211343212.

It is a super-2 number, since 2×212343112404420² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847754961 + ... + 848005400.

It is an arithmetic number, because the mean of its divisors is an integer number (12392616725496).

Almost surely, 2^{212343112404420} is an apocalyptic number.

212343112404420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212343112404420 is an abundant number, since it is smaller than the sum of its proper divisors (382502490419388).

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

212343112404420 is a wasteful number, since it uses less digits than its factorization.

212343112404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695762460 (or 1695762458 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 212343112404420 its reverse (24404211343212), we get a palindrome (236747323747632).

The spelling of 212343112404420 in words is "two hundred twelve trillion, three hundred forty-three billion, one hundred twelve million, four hundred four thousand, four hundred twenty".