12302220229 has 4 divisors (see below), whose sum is σ = 13248544876. Its totient is φ = 11355895584.

The previous prime is 12302220179. The next prime is 12302220233. The reversal of 12302220229 is 92202220321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4296802500 + 8005417729 = 65550^2 + 89473^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302220229 - 2²⁵ = 12268665797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302223229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473162304 + ... + 473162329.

It is an arithmetic number, because the mean of its divisors is an integer number (3312136219).

Almost surely, 2^12302220229 is an apocalyptic number.

It is an amenable number.

12302220229 is a deficient number, since it is larger than the sum of its proper divisors (946324647).

12302220229 is an equidigital number, since it uses as much as digits as its factorization.

12302220229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946324646.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 12302220229 in words is "twelve billion, three hundred two million, two hundred twenty thousand, two hundred twenty-nine".