12641872035 has 16 divisors (see below), whose sum is σ = 21782918304. Its totient is φ = 6223690752.

The previous prime is 12641871997. The next prime is 12641872043. The reversal of 12641872035 is 53027814621.

It is not a de Polignac number, because 12641872035 - 2¹⁴ = 12641855651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12641871984 and 12641872002.

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, 32414862 + ... + 32415251.

It is an arithmetic number, because the mean of its divisors is an integer number (1361432394).

Almost surely, 2^12641872035 is an apocalyptic number.

12641872035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12641872035 is a deficient number, since it is larger than the sum of its proper divisors (9141046269).

12641872035 is a wasteful number, since it uses less digits than its factorization.

12641872035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64830134.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 12641872035 in words is "twelve billion, six hundred forty-one million, eight hundred seventy-two thousand, thirty-five".