21222026150212 has 12 divisors (see below), whose sum is σ = 39093206066320. Its totient is φ = 10052538702696.

The previous prime is 21222026150209. The next prime is 21222026150317. The reversal of 21222026150212 is 21205162022212.

It is an unprimeable number.

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, 139618593018 + ... + 139618593169.

Almost surely, 2^{21222026150212} is an apocalyptic number.

It is an amenable number.

21222026150212 is a deficient number, since it is larger than the sum of its proper divisors (17871179916108).

21222026150212 is a wasteful number, since it uses less digits than its factorization.

21222026150212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279237186210 (or 279237186208 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 21222026150212 its reverse (21205162022212), we get a palindrome (42427188172424).

The spelling of 21222026150212 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-six million, one hundred fifty thousand, two hundred twelve".