212010022222 has 16 divisors (see below), whose sum is σ = 318289214880. Its totient is φ = 105913658368.

The previous prime is 212010022207. The next prime is 212010022261. The reversal of 212010022222 is 222220010212.

It is a junction number, because it is equal to n+sod(n) for n = 212010022196 and 212010022205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14224278 + ... + 14239174.

It is an arithmetic number, because the mean of its divisors is an integer number (19893075930).

Almost surely, 2^212010022222 is an apocalyptic number.

212010022222 is a deficient number, since it is larger than the sum of its proper divisors (106279192658).

212010022222 is a wasteful number, since it uses less digits than its factorization.

212010022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212010022222 its reverse (222220010212), we get a palindrome (434230032434).

The spelling of 212010022222 in words is "two hundred twelve billion, ten million, twenty-two thousand, two hundred twenty-two".