121110121212212 has 48 divisors (see below), whose sum is σ = 236984508492480. Its totient is φ = 53691497376000.

The previous prime is 121110121212193. The next prime is 121110121212257. The reversal of 121110121212212 is 212212121011121.

It is a happy number.

It is a super-2 number, since 2×121110121212212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203079137 + ... + 203674632.

It is an arithmetic number, because the mean of its divisors is an integer number (4937177260260).

Almost surely, 2^{121110121212212} is an apocalyptic number.

It is an amenable number.

121110121212212 is a deficient number, since it is larger than the sum of its proper divisors (115874387280268).

121110121212212 is a wasteful number, since it uses less digits than its factorization.

121110121212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406753952 (or 406753950 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 121110121212212 its reverse (212212121011121), we get a palindrome (333322242223333).

The spelling of 121110121212212 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, two hundred twelve".