12722267870 has 64 divisors (see below), whose sum is σ = 25410490560. Its totient is φ = 4556817408.

The previous prime is 12722267867. The next prime is 12722267879. The reversal of 12722267870 is 7876222721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722267879) 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, 602837 + ... + 623583.

It is an arithmetic number, because the mean of its divisors is an integer number (397038915).

Almost surely, 2^12722267870 is an apocalyptic number.

12722267870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12722267870 is a deficient number, since it is larger than the sum of its proper divisors (12688222690).

12722267870 is a wasteful number, since it uses less digits than its factorization.

12722267870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20909.

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 12722267870 in words is "twelve billion, seven hundred twenty-two million, two hundred sixty-seven thousand, eight hundred seventy".