12121313030 has 32 divisors (see below), whose sum is σ = 23001741504. Its totient is φ = 4589899776.

The previous prime is 12121313027. The next prime is 12121313033. The reversal of 12121313030 is 3031312121.

12121313030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12121313027) and next prime (12121313033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121313033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249347 + ... + 293966.

It is an arithmetic number, because the mean of its divisors is an integer number (718804422).

Almost surely, 2^12121313030 is an apocalyptic number.

12121313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121313030 is a deficient number, since it is larger than the sum of its proper divisors (10880428474).

12121313030 is a wasteful number, since it uses less digits than its factorization.

12121313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543440.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12121313030 its reverse (3031312121), we get a palindrome (15152625151).

Subtracting from 12121313030 its reverse (3031312121), we obtain a palindrome (9090000909).

The spelling of 12121313030 in words is "twelve billion, one hundred twenty-one million, three hundred thirteen thousand, thirty".