12030203111312 has 20 divisors (see below), whose sum is σ = 23366644521996. Its totient is φ = 6000101299200.

The previous prime is 12030203111237. The next prime is 12030203111323. The reversal of 12030203111312 is 21311130203021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10118023021456 + 1912180089856 = 3180884^2 + 1382816^2 .

It is a super-2 number, since 2×12030203111312² (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 3 ways as a sum of consecutive naturals, for example, 937509413 + ... + 937522244.

Almost surely, 2^{12030203111312} is an apocalyptic number.

It is an amenable number.

12030203111312 is a deficient number, since it is larger than the sum of its proper divisors (11336441410684).

12030203111312 is a wasteful number, since it uses less digits than its factorization.

12030203111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875032066 (or 1875032060 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12030203111312 its reverse (21311130203021), we get a palindrome (33341333314333).

The spelling of 12030203111312 in words is "twelve trillion, thirty billion, two hundred three million, one hundred eleven thousand, three hundred twelve".