22211001212212 has 24 divisors (see below), whose sum is σ = 39094385000832. Its totient is φ = 11041178421600.

The previous prime is 22211001212161. The next prime is 22211001212227. The reversal of 22211001212212 is 21221210011222.

It is a self number, because there is not a number n which added to its sum of digits gives 22211001212212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92491137 + ... + 92730967.

It is an arithmetic number, because the mean of its divisors is an integer number (1628932708368).

Almost surely, 2^{22211001212212} is an apocalyptic number.

It is an amenable number.

22211001212212 is a deficient number, since it is larger than the sum of its proper divisors (16883383788620).

22211001212212 is a wasteful number, since it uses less digits than its factorization.

22211001212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373839 (or 373837 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22211001212212 its reverse (21221210011222), we get a palindrome (43432211223434).

The spelling of 22211001212212 in words is "twenty-two trillion, two hundred eleven billion, one million, two hundred twelve thousand, two hundred twelve".