22512302224412 has 96 divisors (see below), whose sum is σ = 52909212034560. Its totient is φ = 8094316158720.

The previous prime is 22512302224411. The next prime is 22512302224481. The reversal of 22512302224412 is 21442220321522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512302224411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15426014 + ... + 16822202.

It is an arithmetic number, because the mean of its divisors is an integer number (551137625360).

Almost surely, 2^{22512302224412} is an apocalyptic number.

22512302224412 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 22512302224412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26454606017280).

22512302224412 is an abundant number, since it is smaller than the sum of its proper divisors (30396909810148).

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

22512302224412 is a wasteful number, since it uses less digits than its factorization.

22512302224412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400251 (or 1400249 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 22512302224412 its reverse (21442220321522), we get a palindrome (43954522545934).

The spelling of 22512302224412 in words is "twenty-two trillion, five hundred twelve billion, three hundred two million, two hundred twenty-four thousand, four hundred twelve".