12221615142333 has 64 divisors (see below), whose sum is σ = 18276796661760. Its totient is φ = 8071341940800.

The previous prime is 12221615142329. The next prime is 12221615142353. The reversal of 12221615142333 is 33324151612221.

12221615142333 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 1 + 615 + 1 + 4 + 2 + 3 + 33 = 666.

It is not a de Polignac number, because 12221615142333 - 2² = 12221615142329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221615142353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1383940228 + ... + 1383949058.

It is an arithmetic number, because the mean of its divisors is an integer number (285574947840).

Almost surely, 2^{12221615142333} is an apocalyptic number.

It is an amenable number.

12221615142333 is a deficient number, since it is larger than the sum of its proper divisors (6055181519427).

12221615142333 is a wasteful number, since it uses less digits than its factorization.

12221615142333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087 (or 10081 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 12221615142333 its reverse (33324151612221), we get a palindrome (45545766754554).

The spelling of 12221615142333 in words is "twelve trillion, two hundred twenty-one billion, six hundred fifteen million, one hundred forty-two thousand, three hundred thirty-three".