12122004406 has 8 divisors (see below), whose sum is σ = 18219447000. Its totient is φ = 6048855408.

The previous prime is 12122004403. The next prime is 12122004407. The reversal of 12122004406 is 60440022121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122004403) 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, 6072151 + ... + 6074146.

It is an arithmetic number, because the mean of its divisors is an integer number (2277430875).

Almost surely, 2^12122004406 is an apocalyptic number.

12122004406 is a deficient number, since it is larger than the sum of its proper divisors (6097442594).

12122004406 is a wasteful number, since it uses less digits than its factorization.

12122004406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146798.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12122004406 its reverse (60440022121), we get a palindrome (72562026527).

The spelling of 12122004406 in words is "twelve billion, one hundred twenty-two million, four thousand, four hundred six".