121332201222 has 16 divisors (see below), whose sum is σ = 244811876400. Its totient is φ = 40086154752.

The previous prime is 121332201187. The next prime is 121332201247. The reversal of 121332201222 is 222102233121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89477347 + ... + 89478702.

It is an arithmetic number, because the mean of its divisors is an integer number (15300742275).

Almost surely, 2^121332201222 is an apocalyptic number.

121332201222 is an abundant number, since it is smaller than the sum of its proper divisors (123479675178).

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

121332201222 is a wasteful number, since it uses less digits than its factorization.

121332201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178956167.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121332201222 its reverse (222102233121), we get a palindrome (343434434343).

The spelling of 121332201222 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred one thousand, two hundred twenty-two".