11520423303412 has 12 divisors (see below), whose sum is σ = 20403641272896. Its totient is φ = 5690811511160.

The previous prime is 11520423303397. The next prime is 11520423303421. The reversal of 11520423303412 is 21430332402511.

It is a super-2 number, since 2×11520423303412² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 17350034764 + ... + 17350035427.

It is an arithmetic number, because the mean of its divisors is an integer number (1700303439408).

Almost surely, 2^{11520423303412} is an apocalyptic number.

It is an amenable number.

11520423303412 is a deficient number, since it is larger than the sum of its proper divisors (8883217969484).

11520423303412 is a wasteful number, since it uses less digits than its factorization.

11520423303412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34700070278 (or 34700070276 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 11520423303412 its reverse (21430332402511), we get a palindrome (32950755705923).

Subtracting 11520423303412 from its reverse (21430332402511), we obtain a palindrome (9909909099099).

The spelling of 11520423303412 in words is "eleven trillion, five hundred twenty billion, four hundred twenty-three million, three hundred three thousand, four hundred twelve".