121203222 has 32 divisors (see below), whose sum is σ = 280550400. Its totient is φ = 34190208.

The previous prime is 121203193. The next prime is 121203347. The reversal of 121203222 is 222302121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14947 + ... + 21582.

It is an arithmetic number, because the mean of its divisors is an integer number (8767200).

Almost surely, 2^121203222 is an apocalyptic number.

121203222 is an abundant number, since it is smaller than the sum of its proper divisors (159347178).

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

121203222 is a wasteful number, since it uses less digits than its factorization.

121203222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36620.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121203222 is about 11009.2334883043. The cubic root of 121203222 is about 494.8854913170.

Adding to 121203222 its reverse (222302121), we get a palindrome (343505343).

The spelling of 121203222 in words is "one hundred twenty-one million, two hundred three thousand, two hundred twenty-two".