12220313222132 has 48 divisors (see below), whose sum is σ = 22664655392400. Its totient is φ = 5755041546240.

The previous prime is 12220313222129. The next prime is 12220313222171. The reversal of 12220313222132 is 23122231302221.

It can be written as a sum of positive squares in 8 ways, for example, as 1062602242276 + 11157710979856 = 1030826^2 + 3340316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54072344 + ... + 54297872.

It is an arithmetic number, because the mean of its divisors is an integer number (472180320675).

Almost surely, 2^{12220313222132} is an apocalyptic number.

It is an amenable number.

12220313222132 is a deficient number, since it is larger than the sum of its proper divisors (10444342170268).

12220313222132 is a wasteful number, since it uses less digits than its factorization.

12220313222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236996 (or 236994 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12220313222132 its reverse (23122231302221), we get a palindrome (35342544524353).

The spelling of 12220313222132 in words is "twelve trillion, two hundred twenty billion, three hundred thirteen million, two hundred twenty-two thousand, one hundred thirty-two".