12361521801222 has 40 divisors (see below), whose sum is σ = 30217053296232. Its totient is φ = 3745915696800.

The previous prime is 12361521801193. The next prime is 12361521801227. The reversal of 12361521801222 is 22210812516321.

12361521801222 is a `hidden beast` number, since 1 + 2 + 3 + 6 + 1 + 521 + 8 + 0 + 122 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361521801227) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 3468438679 + ... + 3468442242.

Almost surely, 2^{12361521801222} is an apocalyptic number.

12361521801222 is an abundant number, since it is smaller than the sum of its proper divisors (17855531495010).

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

12361521801222 is a wasteful number, since it uses less digits than its factorization.

12361521801222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936880946 (or 6936880937 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 12361521801222 in words is "twelve trillion, three hundred sixty-one billion, five hundred twenty-one million, eight hundred one thousand, two hundred twenty-two".