12012325534 has 8 divisors (see below), whose sum is σ = 19656532728. Its totient is φ = 5460147960.

The previous prime is 12012325519. The next prime is 12012325553. The reversal of 12012325534 is 43552321021.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 273007377 + ... + 273007420.

It is an arithmetic number, because the mean of its divisors is an integer number (2457066591).

Almost surely, 2^12012325534 is an apocalyptic number.

12012325534 is a deficient number, since it is larger than the sum of its proper divisors (7644207194).

12012325534 is a wasteful number, since it uses less digits than its factorization.

12012325534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546014810.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12012325534 its reverse (43552321021), we get a palindrome (55564646555).

The spelling of 12012325534 in words is "twelve billion, twelve million, three hundred twenty-five thousand, five hundred thirty-four".