22020110112012 has 12 divisors (see below), whose sum is σ = 51380256928056. Its totient is φ = 7340036704000.

The previous prime is 22020110111963. The next prime is 22020110112017. The reversal of 22020110112012 is 21021101102022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22020110111982 and 22020110112000.

It is not an unprimeable number, because it can be changed into a prime (22020110112017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917504587989 + ... + 917504588012.

It is an arithmetic number, because the mean of its divisors is an integer number (4281688077338).

Almost surely, 2^{22020110112012} is an apocalyptic number.

It is an amenable number.

22020110112012 is an abundant number, since it is smaller than the sum of its proper divisors (29360146816044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020110112012 is a wasteful number, since it uses less digits than its factorization.

22020110112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835009176008 (or 1835009176006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22020110112012 its reverse (21021101102022), we get a palindrome (43041211214034).

The spelling of 22020110112012 in words is "twenty-two trillion, twenty billion, one hundred ten million, one hundred twelve thousand, twelve".