12144121230 has 32 divisors (see below), whose sum is σ = 29259317664. Its totient is φ = 3225829376.

The previous prime is 12144121219. The next prime is 12144121291. The reversal of 12144121230 is 3212144121.

It is a super-3 number, since 3×12144121230³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12144121197 and 12144121206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779847 + ... + 795266.

It is an arithmetic number, because the mean of its divisors is an integer number (914353677).

Almost surely, 2^12144121230 is an apocalyptic number.

12144121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12144121230 is an abundant number, since it is smaller than the sum of its proper divisors (17115196434).

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

12144121230 is a wasteful number, since it uses less digits than its factorization.

12144121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575380.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12144121230 its reverse (3212144121), we get a palindrome (15356265351).

The spelling of 12144121230 in words is "twelve billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred thirty".