12002222004 has 24 divisors (see below), whose sum is σ = 28062235488. Its totient is φ = 3992590560.

The previous prime is 12002221999. The next prime is 12002222009. The reversal of 12002222004 is 40022220021.

It is an interprime number because it is at equal distance from previous prime (12002221999) and next prime (12002222009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012627 + ... + 1024410.

It is an arithmetic number, because the mean of its divisors is an integer number (1169259812).

Almost surely, 2^12002222004 is an apocalyptic number.

It is an amenable number.

12002222004 is an abundant number, since it is smaller than the sum of its proper divisors (16060013484).

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

12002222004 is a wasteful number, since it uses less digits than its factorization.

12002222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037535 (or 2037533 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12002222004 its reverse (40022220021), we get a palindrome (52024442025).

The spelling of 12002222004 in words is "twelve billion, two million, two hundred twenty-two thousand, four".