12210692005 has 16 divisors (see below), whose sum is σ = 15167159280. Its totient is φ = 9426070528.

The previous prime is 12210691901. The next prime is 12210692029. The reversal of 12210692005 is 50029601221.

It is a Cunningham number, because it is equal to 110502²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 12152196 + 12198539809 = 3486^2 + 110447^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210692005 - 2¹⁷ = 12210560933 is a prime.

It is a congruent number.

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, 226989 + ... + 275581.

It is an arithmetic number, because the mean of its divisors is an integer number (947947455).

Almost surely, 2^12210692005 is an apocalyptic number.

It is an amenable number.

12210692005 is a deficient number, since it is larger than the sum of its proper divisors (2956467275).

12210692005 is a wasteful number, since it uses less digits than its factorization.

12210692005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50360.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 12210692005 in words is "twelve billion, two hundred ten million, six hundred ninety-two thousand, five".