202220121230 has 64 divisors (see below), whose sum is σ = 373003488000. Its totient is φ = 78914953728.

The previous prime is 202220121221. The next prime is 202220121253. The reversal of 202220121230 is 32121022202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202220121199 and 202220121208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33493772 + ... + 33499808.

It is an arithmetic number, because the mean of its divisors is an integer number (5828179500).

Almost surely, 2^202220121230 is an apocalyptic number.

202220121230 is a deficient number, since it is larger than the sum of its proper divisors (170783366770).

202220121230 is a wasteful number, since it uses less digits than its factorization.

202220121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202220121230 its reverse (32121022202), we get a palindrome (234341143432).

The spelling of 202220121230 in words is "two hundred two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred thirty".