12540636114 has 16 divisors (see below), whose sum is σ = 25329602880. Its totient is φ = 4138823600.

The previous prime is 12540636113. The next prime is 12540636131. The reversal of 12540636114 is 41163604521.

It is a super-2 number, since 2×12540636114² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12540636113) 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, 10346454 + ... + 10347665.

It is an arithmetic number, because the mean of its divisors is an integer number (1583100180).

Almost surely, 2^12540636114 is an apocalyptic number.

12540636114 is an abundant number, since it is smaller than the sum of its proper divisors (12788966766).

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

12540636114 is a wasteful number, since it uses less digits than its factorization.

12540636114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20694225.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 12540636114 in words is "twelve billion, five hundred forty million, six hundred thirty-six thousand, one hundred fourteen".