12400136501158 has 32 divisors (see below), whose sum is σ = 21709994932224. Its totient is φ = 5201193170592.

The previous prime is 12400136501131. The next prime is 12400136501219. The reversal of 12400136501158 is 85110563100421.

It is a super-2 number, since 2×12400136501158² (a number of 27 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, 64972360 + ... + 65162932.

It is an arithmetic number, because the mean of its divisors is an integer number (678437341632).

Almost surely, 2^{12400136501158} is an apocalyptic number.

12400136501158 is a deficient number, since it is larger than the sum of its proper divisors (9309858431066).

12400136501158 is a wasteful number, since it uses less digits than its factorization.

12400136501158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289516.

The product of its (nonzero) digits is 28800, while the sum is 37.

Adding to 12400136501158 its reverse (85110563100421), we get a palindrome (97510699601579).

The spelling of 12400136501158 in words is "twelve trillion, four hundred billion, one hundred thirty-six million, five hundred one thousand, one hundred fifty-eight".