6012547721 has 16 divisors (see below), whose sum is σ = 6166406400. Its totient is φ = 5861127168.

The previous prime is 6012547711. The next prime is 6012547729. The reversal of 6012547721 is 1277452106.

It is a cyclic number.

It is not a de Polignac number, because 6012547721 - 2⁶ = 6012547657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6012547729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117915 + ... + 2120751.

It is an arithmetic number, because the mean of its divisors is an integer number (385400400).

Almost surely, 2^6012547721 is an apocalyptic number.

It is an amenable number.

6012547721 is a deficient number, since it is larger than the sum of its proper divisors (153858679).

6012547721 is a wasteful number, since it uses less digits than its factorization.

6012547721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 6012547721 is about 77540.6198131018. The cubic root of 6012547721 is about 1818.3864176310.

Adding to 6012547721 its reverse (1277452106), we get a palindrome (7289999827).

The spelling of 6012547721 in words is "six billion, twelve million, five hundred forty-seven thousand, seven hundred twenty-one".