12500244461 has 8 divisors (see below), whose sum is σ = 12537984480. Its totient is φ = 12462542928.

The previous prime is 12500244439. The next prime is 12500244469. The reversal of 12500244461 is 16444200521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12500244461 - 2⁶ = 12500244397 is a prime.

It is a super-2 number, since 2×12500244461² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500244469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723455 + ... + 740531.

It is an arithmetic number, because the mean of its divisors is an integer number (1567248060).

Almost surely, 2^12500244461 is an apocalyptic number.

It is an amenable number.

12500244461 is a deficient number, since it is larger than the sum of its proper divisors (37740019).

12500244461 is a wasteful number, since it uses less digits than its factorization.

12500244461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19243.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 12500244461 its reverse (16444200521), we get a palindrome (28944444982).

The spelling of 12500244461 in words is "twelve billion, five hundred million, two hundred forty-four thousand, four hundred sixty-one".