121223213322204 has 24 divisors (see below), whose sum is σ = 323261902192768. Its totient is φ = 34635203806320.

The previous prime is 121223213322181. The next prime is 121223213322241. The reversal of 121223213322204 is 402223312322121.

121223213322204 is digitally balanced in base 4, 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, 721566745882 + ... + 721566746049.

Almost surely, 2^{121223213322204} is an apocalyptic number.

121223213322204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121223213322204 is an abundant number, since it is smaller than the sum of its proper divisors (202038688870564).

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

121223213322204 is a wasteful number, since it uses less digits than its factorization.

121223213322204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443133491945 (or 1443133491943 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 121223213322204 its reverse (402223312322121), we get a palindrome (523446525644325).

The spelling of 121223213322204 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred four".