12022312000 has 112 divisors (see below), whose sum is σ = 30279075840. Its totient is φ = 4727232000.

The previous prime is 12022311989. The next prime is 12022312013. The reversal of 12022312000 is 21322021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459265 + ... + 484735.

Almost surely, 2^12022312000 is an apocalyptic number.

12022312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15139537920).

12022312000 is an abundant number, since it is smaller than the sum of its proper divisors (18256763840).

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

12022312000 is an equidigital number, since it uses as much as digits as its factorization.

12022312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25557 (or 25537 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12022312000 its reverse (21322021), we get a palindrome (12043634021).

The spelling of 12022312000 in words is "twelve billion, twenty-two million, three hundred twelve thousand".