12213004158 has 12 divisors (see below), whose sum is σ = 26461509048. Its totient is φ = 4071001380.

The previous prime is 12213004157. The next prime is 12213004241. The reversal of 12213004158 is 85140031221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213004157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339250098 + ... + 339250133.

It is an arithmetic number, because the mean of its divisors is an integer number (2205125754).

Almost surely, 2^12213004158 is an apocalyptic number.

12213004158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12213004158 is an abundant number, since it is smaller than the sum of its proper divisors (14248504890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12213004158 is a wasteful number, since it uses less digits than its factorization.

12213004158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678500239 (or 678500236 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 12213004158 its reverse (85140031221), we get a palindrome (97353035379).

The spelling of 12213004158 in words is "twelve billion, two hundred thirteen million, four thousand, one hundred fifty-eight".