212323053420 has 72 divisors (see below), whose sum is σ = 646810871616. Its totient is φ = 56376467712.

The previous prime is 212323053407. The next prime is 212323053479. The reversal of 212323053420 is 24350323212.

212323053420 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 230 + 5 + 3 + 420 = 666.

212323053420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2489332 + ... + 2573211.

It is an arithmetic number, because the mean of its divisors is an integer number (8983484328).

Almost surely, 2^212323053420 is an apocalyptic number.

212323053420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212323053420 is an abundant number, since it is smaller than the sum of its proper divisors (434487818196).

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

212323053420 is a wasteful number, since it uses less digits than its factorization.

212323053420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062791 (or 5062786 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 212323053420 its reverse (24350323212), we get a palindrome (236673376632).

The spelling of 212323053420 in words is "two hundred twelve billion, three hundred twenty-three million, fifty-three thousand, four hundred twenty".