121233412 has 6 divisors (see below), whose sum is σ = 212158478. Its totient is φ = 60616704.

The previous prime is 121233401. The next prime is 121233421. The reversal of 121233412 is 214332121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88811776 + 32421636 = 9424^2 + 5694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121233412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15154173 + ... + 15154180.

Almost surely, 2^121233412 is an apocalyptic number.

It is an amenable number.

121233412 is a deficient number, since it is larger than the sum of its proper divisors (90925066).

121233412 is a wasteful number, since it uses less digits than its factorization.

121233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30308357 (or 30308355 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 121233412 is about 11010.6045247298. The cubic root of 121233412 is about 494.9265775533.

Adding to 121233412 its reverse (214332121), we get a palindrome (335565533).

The spelling of 121233412 in words is "one hundred twenty-one million, two hundred thirty-three thousand, four hundred twelve".