22402112452412 has 96 divisors (see below), whose sum is σ = 49260461859840. Its totient is φ = 8659820160000.

The previous prime is 22402112452411. The next prime is 22402112452417. The reversal of 22402112452412 is 21425421120422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402112452411) 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, 38264612 + ... + 38845652.

It is an arithmetic number, because the mean of its divisors is an integer number (513129811040).

Almost surely, 2^{22402112452412} is an apocalyptic number.

22402112452412 is a gapful number since it is divisible by the number (22) 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 22402112452412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24630230929920).

22402112452412 is an abundant number, since it is smaller than the sum of its proper divisors (26858349407428).

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

22402112452412 is a wasteful number, since it uses less digits than its factorization.

22402112452412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582043 (or 582041 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 22402112452412 its reverse (21425421120422), we get a palindrome (43827533572834).

The spelling of 22402112452412 in words is "twenty-two trillion, four hundred two billion, one hundred twelve million, four hundred fifty-two thousand, four hundred twelve".