12321452531101 has 16 divisors (see below), whose sum is σ = 14132482708608. Its totient is φ = 10523196403200.

The previous prime is 12321452531093. The next prime is 12321452531117. The reversal of 12321452531101 is 10113525412321.

It is a cyclic number.

It is not a de Polignac number, because 12321452531101 - 2³ = 12321452531093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321452531501) 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, 685995 + ... + 5011336.

It is an arithmetic number, because the mean of its divisors is an integer number (883280169288).

Almost surely, 2^{12321452531101} is an apocalyptic number.

It is an amenable number.

12321452531101 is a deficient number, since it is larger than the sum of its proper divisors (1811030177507).

12321452531101 is an equidigital number, since it uses as much as digits as its factorization.

12321452531101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698452.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 12321452531101 its reverse (10113525412321), we get a palindrome (22434977943422).

The spelling of 12321452531101 in words is "twelve trillion, three hundred twenty-one billion, four hundred fifty-two million, five hundred thirty-one thousand, one hundred one".