22213211201312 has 12 divisors (see below), whose sum is σ = 43732259552646. Its totient is φ = 11106605600640.

The previous prime is 22213211201263. The next prime is 22213211201347. The reversal of 22213211201312 is 21310211231222.

It can be written as a sum of positive squares in only one way, i.e., 21966881629456 + 246329571856 = 4686884^2 + 496316^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347081424989 + ... + 347081425052.

Almost surely, 2^{22213211201312} is an apocalyptic number.

It is an amenable number.

22213211201312 is a deficient number, since it is larger than the sum of its proper divisors (21519048351334).

22213211201312 is an equidigital number, since it uses as much as digits as its factorization.

22213211201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694162850051 (or 694162850043 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22213211201312 its reverse (21310211231222), we get a palindrome (43523422432534).

The spelling of 22213211201312 in words is "twenty-two trillion, two hundred thirteen billion, two hundred eleven million, two hundred one thousand, three hundred twelve".