3124211316721 has 8 divisors (see below), whose sum is σ = 3409054020000. Its totient is φ = 2839505862240.

The previous prime is 3124211316703. The next prime is 3124211316761. The reversal of 3124211316721 is 1276131124213.

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 3124211316721 - 2³⁵ = 3089851578353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3124211316701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34264596 + ... + 34355653.

It is an arithmetic number, because the mean of its divisors is an integer number (426131752500).

Almost surely, 2^{3124211316721} is an apocalyptic number.

It is an amenable number.

3124211316721 is a deficient number, since it is larger than the sum of its proper divisors (284842703279).

3124211316721 is a wasteful number, since it uses less digits than its factorization.

3124211316721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68624399.

The product of its digits is 12096, while the sum is 34.

The spelling of 3124211316721 in words is "three trillion, one hundred twenty-four billion, two hundred eleven million, three hundred sixteen thousand, seven hundred twenty-one".