12672821346 has 16 divisors (see below), whose sum is σ = 25358097600. Its totient is φ = 4222197968.

The previous prime is 12672821333. The next prime is 12672821363. The reversal of 12672821346 is 64312827621.

It is a junction number, because it is equal to n+sod(n) for n = 12672821298 and 12672821307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505701 + ... + 530168.

It is an arithmetic number, because the mean of its divisors is an integer number (1584881100).

Almost surely, 2^12672821346 is an apocalyptic number.

12672821346 is an abundant number, since it is smaller than the sum of its proper divisors (12685276254).

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

12672821346 is a wasteful number, since it uses less digits than its factorization.

12672821346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037913.

The product of its digits is 193536, while the sum is 42.

The spelling of 12672821346 in words is "twelve billion, six hundred seventy-two million, eight hundred twenty-one thousand, three hundred forty-six".