12031291222 has 8 divisors (see below), whose sum is σ = 18047637576. Its totient is φ = 6015412032.

The previous prime is 12031291201. The next prime is 12031291243. The reversal of 12031291222 is 22219213021.

It is an interprime number because it is at equal distance from previous prime (12031291201) and next prime (12031291243).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43108 + ... + 160999.

It is an arithmetic number, because the mean of its divisors is an integer number (2255954697).

Almost surely, 2^12031291222 is an apocalyptic number.

12031291222 is a deficient number, since it is larger than the sum of its proper divisors (6016346354).

12031291222 is a wasteful number, since it uses less digits than its factorization.

12031291222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233582.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12031291222 in words is "twelve billion, thirty-one million, two hundred ninety-one thousand, two hundred twenty-two".