12100071634531 has 16 divisors (see below), whose sum is σ = 12209988729600. Its totient is φ = 11990483624448.

The previous prime is 12100071634529. The next prime is 12100071634613. The reversal of 12100071634531 is 13543617000121.

It is a cyclic number.

It is not a de Polignac number, because 12100071634531 - 2¹ = 12100071634529 is a prime.

It is a super-2 number, since 2×12100071634531² (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 (12100071604531) 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 15 ways as a sum of consecutive naturals, for example, 214211950 + ... + 214268428.

It is an arithmetic number, because the mean of its divisors is an integer number (763124295600).

Almost surely, 2^{12100071634531} is an apocalyptic number.

12100071634531 is a deficient number, since it is larger than the sum of its proper divisors (109917095069).

12100071634531 is a wasteful number, since it uses less digits than its factorization.

12100071634531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59358.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 12100071634531 its reverse (13543617000121), we get a palindrome (25643688634652).

The spelling of 12100071634531 in words is "twelve trillion, one hundred billion, seventy-one million, six hundred thirty-four thousand, five hundred thirty-one".