12412505450511 has 20 divisors (see below), whose sum is σ = 18619719967200. Its totient is φ = 8240380174656.

The previous prime is 12412505450509. The next prime is 12412505450533. The reversal of 12412505450511 is 11505450521421.

12412505450511 is a `hidden beast` number, since 1 + 2 + 4 + 12 + 50 + 545 + 0 + 51 + 1 = 666.

It is not a de Polignac number, because 12412505450511 - 2¹ = 12412505450509 is a prime.

It is a super-2 number, since 2×12412505450511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12412505450581) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 320568106 + ... + 320606823.

It is an arithmetic number, because the mean of its divisors is an integer number (930985998360).

Almost surely, 2^{12412505450511} is an apocalyptic number.

12412505450511 is a deficient number, since it is larger than the sum of its proper divisors (6207214516689).

12412505450511 is an equidigital number, since it uses as much as digits as its factorization.

12412505450511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641175180 (or 641175171 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

Adding to 12412505450511 its reverse (11505450521421), we get a palindrome (23917955971932).

The spelling of 12412505450511 in words is "twelve trillion, four hundred twelve billion, five hundred five million, four hundred fifty thousand, five hundred eleven".