12103332500531 has 2 divisors, whose sum is σ = 12103332500532. Its totient is φ = 12103332500530.

The previous prime is 12103332500503. The next prime is 12103332500591. The reversal of 12103332500531 is 13500523330121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12103332500531 - 2³⁴ = 12086152631347 is a prime.

It is a super-2 number, since 2×12103332500531² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12103332500494 and 12103332500503.

It is not a weakly prime, because it can be changed into another prime (12103332500591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051666250265 + 6051666250266.

It is an arithmetic number, because the mean of its divisors is an integer number (6051666250266).

Almost surely, 2^{12103332500531} is an apocalyptic number.

12103332500531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103332500531 is an equidigital number, since it uses as much as digits as its factorization.

12103332500531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 12103332500531 its reverse (13500523330121), we get a palindrome (25603855830652).

The spelling of 12103332500531 in words is "twelve trillion, one hundred three billion, three hundred thirty-two million, five hundred thousand, five hundred thirty-one".