12121141440030 has 48 divisors (see below), whose sum is σ = 33840247942800. Its totient is φ = 2770546614528.

The previous prime is 12121141440029. The next prime is 12121141440043. The reversal of 12121141440030 is 3004414112121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4122835755 + ... + 4122838694.

It is an arithmetic number, because the mean of its divisors is an integer number (705005165475).

Almost surely, 2^{12121141440030} is an apocalyptic number.

12121141440030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121141440030 is an abundant number, since it is smaller than the sum of its proper divisors (21719106502770).

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

12121141440030 is a wasteful number, since it uses less digits than its factorization.

12121141440030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245674473 (or 8245674466 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12121141440030 its reverse (3004414112121), we get a palindrome (15125555552151).

The spelling of 12121141440030 in words is "twelve trillion, one hundred twenty-one billion, one hundred forty-one million, four hundred forty thousand, thirty".