12211634203137 has 6 divisors (see below), whose sum is σ = 17639027182322. Its totient is φ = 8141089468752.

The previous prime is 12211634203133. The next prime is 12211634203147. The reversal of 12211634203137 is 73130243611221.

12211634203137 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 1 + 634 + 2 + 0 + 3 + 13 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12203116943616 + 8517259521 = 3493296^2 + 92289^2 .

It is not a de Polignac number, because 12211634203137 - 2² = 12211634203133 is a prime.

It is a super-2 number, since 2×12211634203137² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211634203133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678424122388 + ... + 678424122405.

Almost surely, 2^{12211634203137} is an apocalyptic number.

It is an amenable number.

12211634203137 is a deficient number, since it is larger than the sum of its proper divisors (5427392979185).

12211634203137 is a wasteful number, since it uses less digits than its factorization.

12211634203137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356848244799 (or 1356848244796 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 12211634203137 its reverse (73130243611221), we get a palindrome (85341877814358).

The spelling of 12211634203137 in words is "twelve trillion, two hundred eleven billion, six hundred thirty-four million, two hundred three thousand, one hundred thirty-seven".