12144151315212 has 48 divisors (see below), whose sum is σ = 33073433379840. Its totient is φ = 3395932889472.

The previous prime is 12144151315169. The next prime is 12144151315271. The reversal of 12144151315212 is 21251315144121.

It is a happy number.

It is a super-2 number, since 2×12144151315212² (a number of 27 digits) contains 22 as substring.

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, 1538009137 + ... + 1538017032.

It is an arithmetic number, because the mean of its divisors is an integer number (689029862080).

Almost surely, 2^{12144151315212} is an apocalyptic number.

12144151315212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12144151315212 is an abundant number, since it is smaller than the sum of its proper divisors (20929282064628).

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

12144151315212 is a wasteful number, since it uses less digits than its factorization.

12144151315212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076026230 (or 3076026228 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

Adding to 12144151315212 its reverse (21251315144121), we get a palindrome (33395466459333).

The spelling of 12144151315212 in words is "twelve trillion, one hundred forty-four billion, one hundred fifty-one million, three hundred fifteen thousand, two hundred twelve".