22000121000012 has 12 divisors (see below), whose sum is σ = 38501888676216. Its totient is φ = 10999581378240.

The previous prime is 22000121000003. The next prime is 22000121000027. The reversal of 22000121000012 is 21000012100022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22000120999957 and 22000121000002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119677118 + ... + 119860805.

It is an arithmetic number, because the mean of its divisors is an integer number (3208490723018).

Almost surely, 2^{22000121000012} is an apocalyptic number.

It is an amenable number.

22000121000012 is a deficient number, since it is larger than the sum of its proper divisors (16501767676204).

22000121000012 is a wasteful number, since it uses less digits than its factorization.

22000121000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239560888 (or 239560886 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22000121000012 its reverse (21000012100022), we get a palindrome (43000133100034).

The spelling of 22000121000012 in words is "twenty-two trillion, one hundred twenty-one million, twelve", and thus it is an aban number.