12206070721 has 16 divisors (see below), whose sum is σ = 13721428224. Its totient is φ = 10773411264.

The previous prime is 12206070683. The next prime is 12206070743. The reversal of 12206070721 is 12707060221.

It is a cyclic number.

It is not a de Polignac number, because 12206070721 - 2¹⁹ = 12205546433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12206070721.

It is not an unprimeable number, because it can be changed into a prime (12206070521) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1120915 + ... + 1131751.

It is an arithmetic number, because the mean of its divisors is an integer number (857589264).

Almost surely, 2^12206070721 is an apocalyptic number.

It is an amenable number.

12206070721 is a deficient number, since it is larger than the sum of its proper divisors (1515357503).

12206070721 is a wasteful number, since it uses less digits than its factorization.

12206070721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14640.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 12206070721 in words is "twelve billion, two hundred six million, seventy thousand, seven hundred twenty-one".