121411312 has 40 divisors (see below), whose sum is σ = 257304960. Its totient is φ = 55039680.

The previous prime is 121411271. The next prime is 121411333. The reversal of 121411312 is 213114121.

It is a super-2 number, since 2×121411312² = 29481413363122688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 91389 + ... + 92707.

It is an arithmetic number, because the mean of its divisors is an integer number (6432624).

Almost surely, 2^121411312 is an apocalyptic number.

It is an amenable number.

121411312 is an abundant number, since it is smaller than the sum of its proper divisors (135893648).

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

121411312 is a wasteful number, since it uses less digits than its factorization.

121411312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1855 counting only the distinct ones).

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

The square root of 121411312 is about 11018.6801387462. The cubic root of 121411312 is about 495.1685471674.

Adding to 121411312 its reverse (213114121), we get a palindrome (334525433).

The spelling of 121411312 in words is "one hundred twenty-one million, four hundred eleven thousand, three hundred twelve".