222122001120212 has 6 divisors (see below), whose sum is σ = 388713501960378. Its totient is φ = 111061000560104.

The previous prime is 222122001120143. The next prime is 222122001120287. The reversal of 222122001120212 is 212021100221222.

It can be written as a sum of positive squares in only one way, i.e., 151980471617296 + 70141529502916 = 12328036^2 + 8375054^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765250140023 + ... + 27765250140030.

It is an arithmetic number, because the mean of its divisors is an integer number (64785583660063).

Almost surely, 2^{222122001120212} is an apocalyptic number.

It is an amenable number.

222122001120212 is a deficient number, since it is larger than the sum of its proper divisors (166591500840166).

222122001120212 is a wasteful number, since it uses less digits than its factorization.

222122001120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55530500280057 (or 55530500280055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222122001120212 its reverse (212021100221222), we get a palindrome (434143101341434).

The spelling of 222122001120212 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one million, one hundred twenty thousand, two hundred twelve".