121222240304 has 40 divisors (see below), whose sum is σ = 256958250048. Its totient is φ = 54942198080.

The previous prime is 121222240267. The next prime is 121222240331. The reversal of 121222240304 is 403042222121.

It is a self number, because there is not a number n which added to its sum of digits gives 121222240304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931382 + ... + 1053525.

Almost surely, 2^121222240304 is an apocalyptic number.

It is an amenable number.

121222240304 is an abundant number, since it is smaller than the sum of its proper divisors (135736009744).

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

121222240304 is a wasteful number, since it uses less digits than its factorization.

121222240304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985273 (or 1985267 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 121222240304 its reverse (403042222121), we get a palindrome (524264462425).

The spelling of 121222240304 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred forty thousand, three hundred four".