12477817051 has 16 divisors (see below), whose sum is σ = 14297264640. Its totient is φ = 10667640960.

The previous prime is 12477817049. The next prime is 12477817103. The reversal of 12477817051 is 15071877421.

It is a cyclic number.

It is not a de Polignac number, because 12477817051 - 2¹ = 12477817049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12477816989 and 12477817007.

It is not an unprimeable number, because it can be changed into a prime (12477817031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639730 + ... + 6641608.

It is an arithmetic number, because the mean of its divisors is an integer number (893579040).

Almost surely, 2^12477817051 is an apocalyptic number.

12477817051 is a deficient number, since it is larger than the sum of its proper divisors (1819447589).

12477817051 is an equidigital number, since it uses as much as digits as its factorization.

12477817051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834.

The product of its (nonzero) digits is 109760, while the sum is 43.

The spelling of 12477817051 in words is "twelve billion, four hundred seventy-seven million, eight hundred seventeen thousand, fifty-one".