4756664012121 has 24 divisors (see below), whose sum is σ = 7861742815680. Its totient is φ = 2714814929376.

The previous prime is 4756664012071. The next prime is 4756664012213. The reversal of 4756664012121 is 1212104666574.

It is not a de Polignac number, because 4756664012121 - 2⁷ = 4756664011993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4756664002121) 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 23 ways as a sum of consecutive naturals, for example, 45486135 + ... + 45590588.

It is an arithmetic number, because the mean of its divisors is an integer number (327572617320).

Almost surely, 2^{4756664012121} is an apocalyptic number.

It is an amenable number.

4756664012121 is a deficient number, since it is larger than the sum of its proper divisors (3105078803559).

4756664012121 is a wasteful number, since it uses less digits than its factorization.

4756664012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91077565 (or 91077562 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

Adding to 4756664012121 its reverse (1212104666574), we get a palindrome (5968768678695).

The spelling of 4756664012121 in words is "four trillion, seven hundred fifty-six billion, six hundred sixty-four million, twelve thousand, one hundred twenty-one".