12087475778703 has 32 divisors (see below), whose sum is σ = 18116719810560. Its totient is φ = 7112789038080.

The previous prime is 12087475778689. The next prime is 12087475778731. The reversal of 12087475778703 is 30787757478021.

It is not a de Polignac number, because 12087475778703 - 2⁶ = 12087475778639 is a prime.

It is a super-2 number, since 2×12087475778703² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087475778773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716458 + ... + 4968728.

It is an arithmetic number, because the mean of its divisors is an integer number (566147494080).

Almost surely, 2^{12087475778703} is an apocalyptic number.

12087475778703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12087475778703 is a deficient number, since it is larger than the sum of its proper divisors (6029244031857).

12087475778703 is a wasteful number, since it uses less digits than its factorization.

12087475778703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255479.

The product of its (nonzero) digits is 129077760, while the sum is 66.

The spelling of 12087475778703 in words is "twelve trillion, eighty-seven billion, four hundred seventy-five million, seven hundred seventy-eight thousand, seven hundred three".