212220011202222 has 32 divisors (see below), whose sum is σ = 428850173756160. Its totient is φ = 70005905991360.

The previous prime is 212220011202197. The next prime is 212220011202293. The reversal of 212220011202222 is 222202110022212.

It is a congruent number.

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, 115019272 + ... + 116849787.

It is an arithmetic number, because the mean of its divisors is an integer number (13401567929880).

Almost surely, 2^{212220011202222} is an apocalyptic number.

212220011202222 is an abundant number, since it is smaller than the sum of its proper divisors (216630162553938).

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

212220011202222 is a wasteful number, since it uses less digits than its factorization.

212220011202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231870648.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212220011202222 its reverse (222202110022212), we get a palindrome (434422121224434).

The spelling of 212220011202222 in words is "two hundred twelve trillion, two hundred twenty billion, eleven million, two hundred two thousand, two hundred twenty-two".