121113412 has 24 divisors (see below), whose sum is σ = 242464320. Its totient is φ = 51854880.

The previous prime is 121113403. The next prime is 121113431. The reversal of 121113412 is 214311121.

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 in 7 ways as a sum of consecutive naturals, for example, 46587 + ... + 49117.

It is an arithmetic number, because the mean of its divisors is an integer number (10102680).

Almost surely, 2^121113412 is an apocalyptic number.

It is an amenable number.

121113412 is an abundant number, since it is smaller than the sum of its proper divisors (121350908).

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

121113412 is a wasteful number, since it uses less digits than its factorization.

121113412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251 (or 4249 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 121113412 is about 11005.1538835220. The cubic root of 121113412 is about 494.7632265574.

Adding to 121113412 its reverse (214311121), we get a palindrome (335424533).

The spelling of 121113412 in words is "one hundred twenty-one million, one hundred thirteen thousand, four hundred twelve".