12050054451 has 16 divisors (see below), whose sum is σ = 18467517600. Its totient is φ = 7756356384.

The previous prime is 12050054441. The next prime is 12050054459. The reversal of 12050054451 is 15445005021.

12050054451 is a `hidden beast` number, since 1 + 20 + 50 + 0 + 544 + 51 = 666.

It is not a de Polignac number, because 12050054451 - 2⁷ = 12050054323 is a prime.

It is a super-2 number, since 2×12050054451² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12050054459) 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, 7694016 + ... + 7695581.

It is an arithmetic number, because the mean of its divisors is an integer number (1154219850).

Almost surely, 2^12050054451 is an apocalyptic number.

12050054451 is a deficient number, since it is larger than the sum of its proper divisors (6417463149).

12050054451 is a wasteful number, since it uses less digits than its factorization.

12050054451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15389635 (or 15389629 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 12050054451 its reverse (15445005021), we get a palindrome (27495059472).

The spelling of 12050054451 in words is "twelve billion, fifty million, fifty-four thousand, four hundred fifty-one".