22000012120012 has 6 divisors (see below), whose sum is σ = 38500021210028. Its totient is φ = 11000006060004.

The previous prime is 22000012119989. The next prime is 22000012120019. The reversal of 22000012120012 is 21002121000022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22000012119974 and 22000012120001.

It is not an unprimeable number, because it can be changed into a prime (22000012120019) by changing a digit.

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 as a sum of consecutive naturals, namely, 2750001514998 + ... + 2750001515005.

Almost surely, 2^{22000012120012} is an apocalyptic number.

It is an amenable number.

22000012120012 is a deficient number, since it is larger than the sum of its proper divisors (16500009090016).

22000012120012 is a wasteful number, since it uses less digits than its factorization.

22000012120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500003030007 (or 5500003030005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22000012120012 its reverse (21002121000022), we get a palindrome (43002133120034).

The spelling of 22000012120012 in words is "twenty-two trillion, twelve million, one hundred twenty thousand, twelve".