4012121848663 has 4 divisors (see below), whose sum is σ = 4012134016968. Its totient is φ = 4012109680360.

The previous prime is 4012121848649. The next prime is 4012121848697. The reversal of 4012121848663 is 3668481212104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4012121848663 - 2⁹ = 4012121848151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012121848463) 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 3 ways as a sum of consecutive naturals, for example, 5575393 + ... + 6253738.

It is an arithmetic number, because the mean of its divisors is an integer number (1003033504242).

Almost surely, 2^{4012121848663} is an apocalyptic number.

4012121848663 is a deficient number, since it is larger than the sum of its proper divisors (12168305).

4012121848663 is a wasteful number, since it uses less digits than its factorization.

4012121848663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168304.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 4012121848663 in words is "four trillion, twelve billion, one hundred twenty-one million, eight hundred forty-eight thousand, six hundred sixty-three".