12487279269036 has 432 divisors, whose sum is σ = 35448662333952. Its totient is φ = 3415929454080.

The previous prime is 12487279268951. The next prime is 12487279269071. The reversal of 12487279269036 is 63096297278421.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4512929325 + ... + 4512932091.

It is an arithmetic number, because the mean of its divisors is an integer number (82057088736).

Almost surely, 2^{12487279269036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12487279269036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17724331166976).

12487279269036 is an abundant number, since it is smaller than the sum of its proper divisors (22961383064916).

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

12487279269036 is a wasteful number, since it uses less digits than its factorization.

12487279269036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222 (or 3196 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 12487279269036 in words is "twelve trillion, four hundred eighty-seven billion, two hundred seventy-nine million, two hundred sixty-nine thousand, thirty-six".