12122200222000 has 240 divisors, whose sum is σ = 33747714677664. Its totient is φ = 4176066240000.

The previous prime is 12122200221991. The next prime is 12122200222007. The reversal of 12122200222000 is 22200222121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (12122200222007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7178830 + ... + 8705170.

Almost surely, 2^{12122200222000} is an apocalyptic number.

12122200222000 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 12122200222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16873857338832).

12122200222000 is an abundant number, since it is smaller than the sum of its proper divisors (21625514455664).

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

12122200222000 is a wasteful number, since it uses less digits than its factorization.

12122200222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526413 (or 1526378 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12122200222000 its reverse (22200222121), we get a palindrome (12144400444121).

The spelling of 12122200222000 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-two thousand".