12212120112196 has 6 divisors (see below), whose sum is σ = 21371210196350. Its totient is φ = 6106060056096.

The previous prime is 12212120112193. The next prime is 12212120112197. The reversal of 12212120112196 is 69121102121221.

It can be written as a sum of positive squares in only one way, i.e., 12138353552196 + 73766560000 = 3484014^2 + 271600^2 .

It is not an unprimeable number, because it can be changed into a prime (12212120112193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526515014021 + ... + 1526515014028.

Almost surely, 2^{12212120112196} is an apocalyptic number.

It is an amenable number.

12212120112196 is a deficient number, since it is larger than the sum of its proper divisors (9159090084154).

12212120112196 is a wasteful number, since it uses less digits than its factorization.

12212120112196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053030028053 (or 3053030028051 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 12212120112196 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred twelve thousand, one hundred ninety-six".