212210013112220 has 12 divisors (see below), whose sum is σ = 445641027535704. Its totient is φ = 84884005244880.

The previous prime is 212210013112199. The next prime is 212210013112351. The reversal of 212210013112220 is 22211310012212.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10610500655611 = 212210013112220 / (2 + 1 + 2 + 2 + 1 + 0 + 0 + 1 + 3 + 1 + 1 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 212210013112192 and 212210013112201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305250327786 + ... + 5305250327825.

It is an arithmetic number, because the mean of its divisors is an integer number (37136752294642).

Almost surely, 2^{212210013112220} is an apocalyptic number.

212210013112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210013112220 is an abundant number, since it is smaller than the sum of its proper divisors (233431014423484).

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

212210013112220 is a wasteful number, since it uses less digits than its factorization.

212210013112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610500655620 (or 10610500655618 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212210013112220 its reverse (22211310012212), we get a palindrome (234421323124432).

The spelling of 212210013112220 in words is "two hundred twelve trillion, two hundred ten billion, thirteen million, one hundred twelve thousand, two hundred twenty".