12636136142 has 16 divisors (see below), whose sum is σ = 22936180320. Its totient is φ = 5096928768.

The previous prime is 12636136127. The next prime is 12636136147. The reversal of 12636136142 is 24163163621.

It is a super-3 number, since 3×12636136142³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636136147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26546267 + ... + 26546742.

It is an arithmetic number, because the mean of its divisors is an integer number (1433511270).

Almost surely, 2^12636136142 is an apocalyptic number.

12636136142 is a deficient number, since it is larger than the sum of its proper divisors (10300044178).

12636136142 is a wasteful number, since it uses less digits than its factorization.

12636136142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53093035.

The product of its digits is 31104, while the sum is 35.

Adding to 12636136142 its reverse (24163163621), we get a palindrome (36799299763).

The spelling of 12636136142 in words is "twelve billion, six hundred thirty-six million, one hundred thirty-six thousand, one hundred forty-two".