121110212212 has 24 divisors (see below), whose sum is σ = 233499625632. Its totient is φ = 54505044000.

The previous prime is 121110212207. The next prime is 121110212221. The reversal of 121110212212 is 212212011121.

It is a congruent number.

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, 13621818 + ... + 13630705.

It is an arithmetic number, because the mean of its divisors is an integer number (9729151068).

Almost surely, 2^121110212212 is an apocalyptic number.

It is an amenable number.

121110212212 is a deficient number, since it is larger than the sum of its proper divisors (112389413420).

121110212212 is a wasteful number, since it uses less digits than its factorization.

121110212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27252639 (or 27252637 counting only the distinct ones).

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

Adding to 121110212212 its reverse (212212011121), we get a palindrome (333322223333).

The spelling of 121110212212 in words is "one hundred twenty-one billion, one hundred ten million, two hundred twelve thousand, two hundred twelve".