121430712 has 64 divisors (see below), whose sum is σ = 329535360. Its totient is φ = 37065600.

The previous prime is 121430693. The next prime is 121430713. The reversal of 121430712 is 217034121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121430713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39387 + ... + 42357.

It is an arithmetic number, because the mean of its divisors is an integer number (5148990).

Almost surely, 2^121430712 is an apocalyptic number.

121430712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121430712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164767680).

121430712 is an abundant number, since it is smaller than the sum of its proper divisors (208104648).

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

121430712 is a wasteful number, since it uses less digits than its factorization.

121430712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 121430712 is about 11019.5604268047. The cubic root of 121430712 is about 495.1949196640.

Adding to 121430712 its reverse (217034121), we get a palindrome (338464833).

The spelling of 121430712 in words is "one hundred twenty-one million, four hundred thirty thousand, seven hundred twelve".