121220332 has 12 divisors (see below), whose sum is σ = 216649440. Its totient is φ = 59320496.

The previous prime is 121220321. The next prime is 121220339. The reversal of 121220332 is 233022121.

It is not an unprimeable number, because it can be changed into a prime (121220339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322207 + ... + 322582.

It is an arithmetic number, because the mean of its divisors is an integer number (18054120).

Almost surely, 2^121220332 is an apocalyptic number.

It is an amenable number.

121220332 is a deficient number, since it is larger than the sum of its proper divisors (95429108).

121220332 is a wasteful number, since it uses less digits than its factorization.

121220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644840 (or 644838 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121220332 is about 11010.0105358714. The cubic root of 121220332 is about 494.9087775306.

Adding to 121220332 its reverse (233022121), we get a palindrome (354242453).

The spelling of 121220332 in words is "one hundred twenty-one million, two hundred twenty thousand, three hundred thirty-two".