12054322530 has 64 divisors (see below), whose sum is σ = 32172664320. Its totient is φ = 3211705728.

The previous prime is 12054322507. The next prime is 12054322543. The reversal of 12054322530 is 3522345021.

It is a happy number.

12054322530 is a `hidden beast` number, since 1 + 205 + 432 + 25 + 3 + 0 = 666.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12054322494 and 12054322503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303399 + ... + 340821.

It is an arithmetic number, because the mean of its divisors is an integer number (502697880).

Almost surely, 2^12054322530 is an apocalyptic number.

12054322530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12054322530 is an abundant number, since it is smaller than the sum of its proper divisors (20118341790).

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

12054322530 is a wasteful number, since it uses less digits than its factorization.

12054322530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38632 (or 38626 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 12054322530 its reverse (3522345021), we get a palindrome (15576667551).

The spelling of 12054322530 in words is "twelve billion, fifty-four million, three hundred twenty-two thousand, five hundred thirty".