212330504105220 has 48 divisors (see below), whose sum is σ = 594526486756608. Its totient is φ = 56621365355520.

The previous prime is 212330504105207. The next prime is 212330504105227. The reversal of 212330504105220 is 22501405033212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (212330504105227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33783285 + ... + 39572355.

It is an arithmetic number, because the mean of its divisors is an integer number (12385968474096).

Almost surely, 2^{212330504105220} is an apocalyptic number.

212330504105220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212330504105220 is an abundant number, since it is smaller than the sum of its proper divisors (382195982651388).

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

212330504105220 is a wasteful number, since it uses less digits than its factorization.

212330504105220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400380 (or 6400378 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 212330504105220 its reverse (22501405033212), we get a palindrome (234831909138432).

The spelling of 212330504105220 in words is "two hundred twelve trillion, three hundred thirty billion, five hundred four million, one hundred five thousand, two hundred twenty".