22215025041212 has 12 divisors (see below), whose sum is σ = 38876393168256. Its totient is φ = 11107484136000.

The previous prime is 22215025041203. The next prime is 22215025041239. The reversal of 22215025041212 is 21214052051222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5283773 + ... + 8505780.

It is an arithmetic number, because the mean of its divisors is an integer number (3239699430688).

Almost surely, 2^{22215025041212} is an apocalyptic number.

It is an amenable number.

22215025041212 is a deficient number, since it is larger than the sum of its proper divisors (16661368127044).

22215025041212 is a wasteful number, since it uses less digits than its factorization.

22215025041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14192308 (or 14192306 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 22215025041212 its reverse (21214052051222), we get a palindrome (43429077092434).

The spelling of 22215025041212 in words is "twenty-two trillion, two hundred fifteen billion, twenty-five million, forty-one thousand, two hundred twelve".