121230012 has 12 divisors (see below), whose sum is σ = 282870056. Its totient is φ = 40410000.

The previous prime is 121229981. The next prime is 121230017. The reversal of 121230012 is 210032121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 10102501 = 121230012 / (1 + 2 + 1 + 2 + 3 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 121230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051239 + ... + 5051262.

Almost surely, 2^121230012 is an apocalyptic number.

121230012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121230012 is an abundant number, since it is smaller than the sum of its proper divisors (161640044).

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

121230012 is a wasteful number, since it uses less digits than its factorization.

121230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102508 (or 10102506 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121230012 is about 11010.4501270384. The cubic root of 121230012 is about 494.9219507592.

Adding to 121230012 its reverse (210032121), we get a palindrome (331262133).

The spelling of 121230012 in words is "one hundred twenty-one million, two hundred thirty thousand, twelve".