22031012131012 has 12 divisors (see below), whose sum is σ = 38895459471036. Its totient is φ = 10918023710720.

The previous prime is 22031012131001. The next prime is 22031012131057. The reversal of 22031012131012 is 21013121013022.

It can be written as a sum of positive squares in 2 ways, for example, as 9335016966276 + 12695995164736 = 3055326^2 + 3563144^2 .

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, 24370588189 + ... + 24370589092.

It is an arithmetic number, because the mean of its divisors is an integer number (3241288289253).

Almost surely, 2^{22031012131012} is an apocalyptic number.

It is an amenable number.

22031012131012 is a deficient number, since it is larger than the sum of its proper divisors (16864447340024).

22031012131012 is a wasteful number, since it uses less digits than its factorization.

22031012131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48741177398 (or 48741177396 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22031012131012 its reverse (21013121013022), we get a palindrome (43044133144034).

The spelling of 22031012131012 in words is "twenty-two trillion, thirty-one billion, twelve million, one hundred thirty-one thousand, twelve".