121230223201212 has 24 divisors (see below), whose sum is σ = 287092468876416. Its totient is φ = 39806938961328.

The previous prime is 121230223201169. The next prime is 121230223201247. The reversal of 121230223201212 is 212102322032121.

121230223201212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 75391929048 + ... + 75391930655.

It is an arithmetic number, because the mean of its divisors is an integer number (11962186203184).

Almost surely, 2^{121230223201212} is an apocalyptic number.

121230223201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121230223201212 is an abundant number, since it is smaller than the sum of its proper divisors (165862245675204).

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

121230223201212 is a wasteful number, since it uses less digits than its factorization.

121230223201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150783859777 (or 150783859775 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121230223201212 its reverse (212102322032121), we get a palindrome (333332545233333).

The spelling of 121230223201212 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred twenty-three million, two hundred one thousand, two hundred twelve".