12021416306136 has 64 divisors (see below), whose sum is σ = 33397985743200. Its totient is φ = 4006519248384.

The previous prime is 12021416306131. The next prime is 12021416306143. The reversal of 12021416306136 is 63160361412021.

12021416306136 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 1 + 4 + 1 + 6 + 30 + 613 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12021416306136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021416306131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2900821 + ... + 5697156.

Almost surely, 2^{12021416306136} is an apocalyptic number.

It is an amenable number.

12021416306136 is an abundant number, since it is smaller than the sum of its proper divisors (21376569437064).

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

12021416306136 is a wasteful number, since it uses less digits than its factorization.

12021416306136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604465 (or 8604455 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 12021416306136 its reverse (63160361412021), we get a palindrome (75181777718157).

The spelling of 12021416306136 in words is "twelve trillion, twenty-one billion, four hundred sixteen million, three hundred six thousand, one hundred thirty-six".