12240061064451 has 12 divisors (see below), whose sum is σ = 19287368950200. Its totient is φ = 7418218826880.

The previous prime is 12240061064449. The next prime is 12240061064453. The reversal of 12240061064451 is 15446016004221.

12240061064451 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 0 + 0 + 6 + 1 + 0 + 644 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (12240061064449) and next prime (12240061064453).

It is not a de Polignac number, because 12240061064451 - 2¹ = 12240061064449 is a prime.

It is a super-2 number, since 2×12240061064451² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12240061064453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61818490126 + ... + 61818490323.

It is an arithmetic number, because the mean of its divisors is an integer number (1607280745850).

Almost surely, 2^{12240061064451} is an apocalyptic number.

12240061064451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12240061064451 is a deficient number, since it is larger than the sum of its proper divisors (7047307885749).

12240061064451 is a wasteful number, since it uses less digits than its factorization.

12240061064451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123636980466 (or 123636980463 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 12240061064451 its reverse (15446016004221), we get a palindrome (27686077068672).

The spelling of 12240061064451 in words is "twelve trillion, two hundred forty billion, sixty-one million, sixty-four thousand, four hundred fifty-one".