1222101112012 has 24 divisors (see below), whose sum is σ = 2347962659280. Its totient is φ = 551962282560.

The previous prime is 1222101111997. The next prime is 1222101112013. The reversal of 1222101112012 is 2102111012221.

It is a super-2 number, since 2×1222101112012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222101112013) 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 in 7 ways as a sum of consecutive naturals, for example, 88448587 + ... + 88462402.

It is an arithmetic number, because the mean of its divisors is an integer number (97831777470).

Almost surely, 2^{1222101112012} is an apocalyptic number.

It is an amenable number.

1222101112012 is a deficient number, since it is larger than the sum of its proper divisors (1125861547268).

1222101112012 is a wasteful number, since it uses less digits than its factorization.

1222101112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176911161 (or 176911159 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222101112012 its reverse (2102111012221), we get a palindrome (3324212124233).

The spelling of 1222101112012 in words is "one trillion, two hundred twenty-two billion, one hundred one million, one hundred twelve thousand, twelve".