12289011229 has 4 divisors (see below), whose sum is σ = 13406194080. Its totient is φ = 11171828380.

The previous prime is 12289011209. The next prime is 12289011247. The reversal of 12289011229 is 92211098221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12289011229 - 2⁷ = 12289011101 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 (12289011209) 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, 558591409 + ... + 558591430.

It is an arithmetic number, because the mean of its divisors is an integer number (3351548520).

Almost surely, 2^12289011229 is an apocalyptic number.

It is an amenable number.

12289011229 is a deficient number, since it is larger than the sum of its proper divisors (1117182851).

12289011229 is a wasteful number, since it uses less digits than its factorization.

12289011229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117182850.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 12289011229 in words is "twelve billion, two hundred eighty-nine million, eleven thousand, two hundred twenty-nine".