12136355536 has 80 divisors (see below), whose sum is σ = 24877300608. Its totient is φ = 5724224000.

The previous prime is 12136355521. The next prime is 12136355591. The reversal of 12136355536 is 63555363121.

It is a super-2 number, since 2×12136355536² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12896826 + ... + 12897766.

Almost surely, 2^12136355536 is an apocalyptic number.

12136355536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12136355536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12438650304).

12136355536 is an abundant number, since it is smaller than the sum of its proper divisors (12740945072).

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

12136355536 is a wasteful number, since it uses less digits than its factorization.

12136355536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1414 counting only the distinct ones).

The product of its digits is 243000, while the sum is 40.

The spelling of 12136355536 in words is "twelve billion, one hundred thirty-six million, three hundred fifty-five thousand, five hundred thirty-six".