22201204012 has 24 divisors (see below), whose sum is σ = 42007451472. Its totient is φ = 10205880000.

The previous prime is 22201203989. The next prime is 22201204049. The reversal of 22201204012 is 21040210222.

It is a super-2 number, since 2×22201204012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837439 + ... + 863542.

It is an arithmetic number, because the mean of its divisors is an integer number (1750310478).

Almost surely, 2^22201204012 is an apocalyptic number.

It is an amenable number.

22201204012 is a deficient number, since it is larger than the sum of its proper divisors (19806247460).

22201204012 is a wasteful number, since it uses less digits than its factorization.

22201204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701249 (or 1701247 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22201204012 its reverse (21040210222), we get a palindrome (43241414234).

The spelling of 22201204012 in words is "twenty-two billion, two hundred one million, two hundred four thousand, twelve".