12667207042 has 32 divisors (see below), whose sum is σ = 23734287360. Its totient is φ = 4944637440.

The previous prime is 12667207027. The next prime is 12667207043. The reversal of 12667207042 is 24070276621.

It is a junction number, because it is equal to n+sod(n) for n = 12667206992 and 12667207010.

It is not an unprimeable number, because it can be changed into a prime (12667207043) 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, 851067 + ... + 865822.

It is an arithmetic number, because the mean of its divisors is an integer number (741696480).

Almost surely, 2^12667207042 is an apocalyptic number.

12667207042 is a deficient number, since it is larger than the sum of its proper divisors (11067080318).

12667207042 is a wasteful number, since it uses less digits than its factorization.

12667207042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716946.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 12667207042 in words is "twelve billion, six hundred sixty-seven million, two hundred seven thousand, forty-two".