12222251601210 has 128 divisors (see below), whose sum is σ = 37257574233600. Its totient is φ = 2792996951040.

The previous prime is 12222251601187. The next prime is 12222251601211. The reversal of 12222251601210 is 1210615222221.

12222251601210 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 2 + 2 + 51 + 601 + 2 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12222251601211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7253076 + ... + 8777904.

It is an arithmetic number, because the mean of its divisors is an integer number (291074798700).

Almost surely, 2^{12222251601210} is an apocalyptic number.

12222251601210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222251601210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18628787116800).

12222251601210 is an abundant number, since it is smaller than the sum of its proper divisors (25035322632390).

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

12222251601210 is a wasteful number, since it uses less digits than its factorization.

12222251601210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529093 (or 1529087 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 12222251601210 its reverse (1210615222221), we get a palindrome (13432866823431).

The spelling of 12222251601210 in words is "twelve trillion, two hundred twenty-two billion, two hundred fifty-one million, six hundred one thousand, two hundred ten".