12040454316 has 48 divisors (see below), whose sum is σ = 30686035968. Its totient is φ = 3644145600.

The previous prime is 12040454311. The next prime is 12040454339. The reversal of 12040454316 is 61345404021.

It is not an unprimeable number, because it can be changed into a prime (12040454311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52821 + ... + 163923.

It is an arithmetic number, because the mean of its divisors is an integer number (639292416).

Almost surely, 2^12040454316 is an apocalyptic number.

It is an amenable number.

12040454316 is an abundant number, since it is smaller than the sum of its proper divisors (18645581652).

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

12040454316 is a wasteful number, since it uses less digits than its factorization.

12040454316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111942 (or 111940 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12040454316 its reverse (61345404021), we get a palindrome (73385858337).

The spelling of 12040454316 in words is "twelve billion, forty million, four hundred fifty-four thousand, three hundred sixteen".