12111203229 has 32 divisors (see below), whose sum is σ = 16940327040. Its totient is φ = 7688650752.

The previous prime is 12111203201. The next prime is 12111203243. The reversal of 12111203229 is 92230211121.

It is not a de Polignac number, because 12111203229 - 2⁸ = 12111202973 is a prime.

It is a super-3 number, since 3×12111203229³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12111203199 and 12111203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111203249) 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, 1521949 + ... + 1529885.

It is an arithmetic number, because the mean of its divisors is an integer number (529385220).

Almost surely, 2^12111203229 is an apocalyptic number.

It is an amenable number.

12111203229 is a deficient number, since it is larger than the sum of its proper divisors (4829123811).

12111203229 is a wasteful number, since it uses less digits than its factorization.

12111203229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 12111203229 in words is "twelve billion, one hundred eleven million, two hundred three thousand, two hundred twenty-nine".