222100020101212 has 96 divisors (see below), whose sum is σ = 436321696978944. Its totient is φ = 98061176928000.

The previous prime is 222100020101161. The next prime is 222100020101233. The reversal of 222100020101212 is 212101020001222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3693818293 + ... + 3693878419.

It is an arithmetic number, because the mean of its divisors is an integer number (4545017676864).

Almost surely, 2^{222100020101212} is an apocalyptic number.

222100020101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222100020101212 is a deficient number, since it is larger than the sum of its proper divisors (214221676877732).

222100020101212 is a wasteful number, since it uses less digits than its factorization.

222100020101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75979 (or 75977 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222100020101212 its reverse (212101020001222), we get a palindrome (434201040102434).

The spelling of 222100020101212 in words is "two hundred twenty-two trillion, one hundred billion, twenty million, one hundred one thousand, two hundred twelve".