12012242000 has 160 divisors (see below), whose sum is σ = 32209152768. Its totient is φ = 4296000000.

The previous prime is 12012241903. The next prime is 12012242069. The reversal of 12012242000 is 24221021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1337525 + ... + 1346475.

Almost surely, 2^12012242000 is an apocalyptic number.

12012242000 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 12012242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16104576384).

12012242000 is an abundant number, since it is smaller than the sum of its proper divisors (20196910768).

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

12012242000 is a wasteful number, since it uses less digits than its factorization.

12012242000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046 (or 9030 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12012242000 its reverse (24221021), we get a palindrome (12036463021).

The spelling of 12012242000 in words is "twelve billion, twelve million, two hundred forty-two thousand".