121220222303232 has 132 divisors (see below), whose sum is σ = 376945435568520. Its totient is φ = 37298529902592.

The previous prime is 121220222303177. The next prime is 121220222303233. The reversal of 121220222303232 is 232303222022121.

121220222303232 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 202 + 223 + 0 + 3 + 232 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121220222303196 and 121220222303205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220222303233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505773882 + ... + 506013497.

Almost surely, 2^{121220222303232} is an apocalyptic number.

121220222303232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121220222303232 is an abundant number, since it is smaller than the sum of its proper divisors (255725213265288).

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

121220222303232 is a wasteful number, since it uses less digits than its factorization.

121220222303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011787418 (or 1011787397 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 121220222303232 its reverse (232303222022121), we get a palindrome (353523444325353).

The spelling of 121220222303232 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred twenty-two million, three hundred three thousand, two hundred thirty-two".