20221322012 has 12 divisors (see below), whose sum is σ = 35391004320. Its totient is φ = 10109606496.

The previous prime is 20221321997. The next prime is 20221322053. The reversal of 20221322012 is 21022312202.

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, 219668 + ... + 297819.

It is an arithmetic number, because the mean of its divisors is an integer number (2949250360).

Almost surely, 2^20221322012 is an apocalyptic number.

It is an amenable number.

20221322012 is a deficient number, since it is larger than the sum of its proper divisors (15169682308).

20221322012 is a wasteful number, since it uses less digits than its factorization.

20221322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527260 (or 527258 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20221322012 its reverse (21022312202), we get a palindrome (41243634214).

The spelling of 20221322012 in words is "twenty billion, two hundred twenty-one million, three hundred twenty-two thousand, twelve".