201222212312 has 32 divisors (see below), whose sum is σ = 418338291600. Its totient is φ = 89965219200.

The previous prime is 201222212273. The next prime is 201222212351. The reversal of 201222212312 is 213212222102.

It is an interprime number because it is at equal distance from previous prime (201222212273) and next prime (201222212351).

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, 18737387 + ... + 18748122.

Almost surely, 2^201222212312 is an apocalyptic number.

201222212312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201222212312 is an abundant number, since it is smaller than the sum of its proper divisors (217116079288).

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

201222212312 is a wasteful number, since it uses less digits than its factorization.

201222212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37485587 (or 37485583 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201222212312 its reverse (213212222102), we get a palindrome (414434434414).

The spelling of 201222212312 in words is "two hundred one billion, two hundred twenty-two million, two hundred twelve thousand, three hundred twelve".