22150541212 has 12 divisors (see below), whose sum is σ = 39811108120. Its totient is φ = 10775938896.

The previous prime is 22150541209. The next prime is 22150541219. The reversal of 22150541212 is 21214505122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150541219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74832762 + ... + 74833057.

Almost surely, 2^22150541212 is an apocalyptic number.

It is an amenable number.

22150541212 is a deficient number, since it is larger than the sum of its proper divisors (17660566908).

22150541212 is a wasteful number, since it uses less digits than its factorization.

22150541212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149665860 (or 149665858 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 22150541212 in words is "twenty-two billion, one hundred fifty million, five hundred forty-one thousand, two hundred twelve".