12315231206054 has 32 divisors (see below), whose sum is σ = 22732573224960. Its totient is φ = 4883293496448.

The previous prime is 12315231206029. The next prime is 12315231206059. The reversal of 12315231206054 is 45060213251321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315231206059) 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, 438500102 + ... + 438528185.

It is an arithmetic number, because the mean of its divisors is an integer number (710392913280).

Almost surely, 2^{12315231206054} is an apocalyptic number.

12315231206054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12315231206054 is a deficient number, since it is larger than the sum of its proper divisors (10417342018906).

12315231206054 is a wasteful number, since it uses less digits than its factorization.

12315231206054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877028372.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 12315231206054 its reverse (45060213251321), we get a palindrome (57375444457375).

The spelling of 12315231206054 in words is "twelve trillion, three hundred fifteen billion, two hundred thirty-one million, two hundred six thousand, fifty-four".