121212322 has 32 divisors (see below), whose sum is σ = 228956544. Its totient is φ = 46752000.

The previous prime is 121212317. The next prime is 121212341. The reversal of 121212322 is 223212121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121212296 and 121212305.

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, 11658 + ... + 19450.

It is an arithmetic number, because the mean of its divisors is an integer number (7154892).

Almost surely, 2^121212322 is an apocalyptic number.

121212322 is a deficient number, since it is larger than the sum of its proper divisors (107744222).

121212322 is a wasteful number, since it uses less digits than its factorization.

121212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914.

The product of its digits is 96, while the sum is 16.

The square root of 121212322 is about 11009.6467699922. The cubic root of 121212322 is about 494.8978764258.

Adding to 121212322 its reverse (223212121), we get a palindrome (344424443).

The spelling of 121212322 in words is "one hundred twenty-one million, two hundred twelve thousand, three hundred twenty-two".