22022201222012 has 48 divisors (see below), whose sum is σ = 39398447088000. Its totient is φ = 10766964985920.

The previous prime is 22022201221963. The next prime is 22022201222069. The reversal of 22022201222012 is 21022210222022.

It is a super-2 number, since 2×22022201222012² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 74784239 + ... + 75078137.

It is an arithmetic number, because the mean of its divisors is an integer number (820800981000).

Almost surely, 2^{22022201222012} is an apocalyptic number.

It is an amenable number.

22022201222012 is a deficient number, since it is larger than the sum of its proper divisors (17376245865988).

22022201222012 is a wasteful number, since it uses less digits than its factorization.

22022201222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295146 (or 295144 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22022201222012 its reverse (21022210222022), we get a palindrome (43044411444034).

The spelling of 22022201222012 in words is "twenty-two trillion, twenty-two billion, two hundred one million, two hundred twenty-two thousand, twelve".