12222201312030 has 64 divisors (see below), whose sum is σ = 30138422960448. Its totient is φ = 3169865917440.

The previous prime is 12222201312011. The next prime is 12222201312037. The reversal of 12222201312030 is 3021310222221.

It is a junction number, because it is equal to n+sod(n) for n = 12222201311988 and 12222201312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222201312037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454084 + ... + 4964936.

It is an arithmetic number, because the mean of its divisors is an integer number (470912858757).

Almost surely, 2^{12222201312030} is an apocalyptic number.

12222201312030 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 12222201312030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15069211480224).

12222201312030 is an abundant number, since it is smaller than the sum of its proper divisors (17916221648418).

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

12222201312030 is a wasteful number, since it uses less digits than its factorization.

12222201312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513341.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12222201312030 its reverse (3021310222221), we get a palindrome (15243511534251).

The spelling of 12222201312030 in words is "twelve trillion, two hundred twenty-two billion, two hundred one million, three hundred twelve thousand, thirty".