22125225243412 has 12 divisors (see below), whose sum is σ = 38866365258336. Its totient is φ = 11020549455320.

The previous prime is 22125225243389. The next prime is 22125225243439. The reversal of 22125225243412 is 21434252252122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10515790414 + ... + 10515792517.

It is an arithmetic number, because the mean of its divisors is an integer number (3238863771528).

Almost surely, 2^{22125225243412} is an apocalyptic number.

It is an amenable number.

22125225243412 is a deficient number, since it is larger than the sum of its proper divisors (16741140014924).

22125225243412 is a wasteful number, since it uses less digits than its factorization.

22125225243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21031583198 (or 21031583196 counting only the distinct ones).

The product of its digits is 153600, while the sum is 37.

Adding to 22125225243412 its reverse (21434252252122), we get a palindrome (43559477495534).

The spelling of 22125225243412 in words is "twenty-two trillion, one hundred twenty-five billion, two hundred twenty-five million, two hundred forty-three thousand, four hundred twelve".