121110011220012 has 24 divisors (see below), whose sum is σ = 283017545148912. Its totient is φ = 40308929601600.

The previous prime is 121110011219993. The next prime is 121110011220047. The reversal of 121110011220012 is 210022110011121.

It is a happy number.

It is a super-2 number, since 2×121110011220012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121110011219973 and 121110011220000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7634259039 + ... + 7634274902.

It is an arithmetic number, because the mean of its divisors is an integer number (11792397714538).

Almost surely, 2^{121110011220012} is an apocalyptic number.

121110011220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121110011220012 is an abundant number, since it is smaller than the sum of its proper divisors (161907533928900).

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

121110011220012 is a wasteful number, since it uses less digits than its factorization.

121110011220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15268534609 (or 15268534607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121110011220012 its reverse (210022110011121), we get a palindrome (331132121231133).

The spelling of 121110011220012 in words is "one hundred twenty-one trillion, one hundred ten billion, eleven million, two hundred twenty thousand, twelve".