12272334536 has 64 divisors (see below), whose sum is σ = 30198528000. Its totient is φ = 4529770560.

The previous prime is 12272334523. The next prime is 12272334539. The reversal of 12272334536 is 63543327221.

It is a super-2 number, since 2×12272334536² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 12272334536.

It is not an unprimeable number, because it can be changed into a prime (12272334539) 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, 512576 + ... + 535983.

It is an arithmetic number, because the mean of its divisors is an integer number (471852000).

Almost surely, 2^12272334536 is an apocalyptic number.

It is an amenable number.

12272334536 is an abundant number, since it is smaller than the sum of its proper divisors (17926193464).

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

12272334536 is a wasteful number, since it uses less digits than its factorization.

12272334536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048602 (or 1048598 counting only the distinct ones).

The product of its digits is 181440, while the sum is 38.

The spelling of 12272334536 in words is "twelve billion, two hundred seventy-two million, three hundred thirty-four thousand, five hundred thirty-six".