121110202212 has 24 divisors (see below), whose sum is σ = 282835595616. Its totient is φ = 40335049728.

The previous prime is 121110202207. The next prime is 121110202247. The reversal of 121110202212 is 212202011121.

It is a junction number, because it is equal to n+sod(n) for n = 121110202191 and 121110202200.

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, 4362798 + ... + 4390469.

It is an arithmetic number, because the mean of its divisors is an integer number (11784816484).

Almost surely, 2^121110202212 is an apocalyptic number.

121110202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121110202212 is an abundant number, since it is smaller than the sum of its proper divisors (161725393404).

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

121110202212 is a wasteful number, since it uses less digits than its factorization.

121110202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754427 (or 8754425 counting only the distinct ones).

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

Adding to 121110202212 its reverse (212202011121), we get a palindrome (333312213333).

The spelling of 121110202212 in words is "one hundred twenty-one billion, one hundred ten million, two hundred two thousand, two hundred twelve".