121412312 has 32 divisors (see below), whose sum is σ = 261342720. Its totient is φ = 51799200.

The previous prime is 121412303. The next prime is 121412321. The reversal of 121412312 is 213214121.

It is an interprime number because it is at equal distance from previous prime (121412303) and next prime (121412321).

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, 7937 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (8166960).

Almost surely, 2^121412312 is an apocalyptic number.

It is an amenable number.

121412312 is an abundant number, since it is smaller than the sum of its proper divisors (139930408).

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

121412312 is a wasteful number, since it uses less digits than its factorization.

121412312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9791 (or 9787 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 121412312 is about 11018.7255161384. The cubic root of 121412312 is about 495.1699066432.

Adding to 121412312 its reverse (213214121), we get a palindrome (334626433).

The spelling of 121412312 in words is "one hundred twenty-one million, four hundred twelve thousand, three hundred twelve".