12054213453 has 12 divisors (see below), whose sum is σ = 16962717408. Its totient is φ = 7613186760.

The previous prime is 12054213449. The next prime is 12054213467. The reversal of 12054213453 is 35431245021.

It is not a de Polignac number, because 12054213453 - 2² = 12054213449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12054213453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054213053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5564113 + ... + 5566278.

It is an arithmetic number, because the mean of its divisors is an integer number (1413559784).

Almost surely, 2^12054213453 is an apocalyptic number.

It is an amenable number.

12054213453 is a deficient number, since it is larger than the sum of its proper divisors (4908503955).

12054213453 is a wasteful number, since it uses less digits than its factorization.

12054213453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130432 (or 11130413 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12054213453 its reverse (35431245021), we get a palindrome (47485458474).

The spelling of 12054213453 in words is "twelve billion, fifty-four million, two hundred thirteen thousand, four hundred fifty-three".