68212500001 has 16 divisors (see below), whose sum is σ = 72237960000. Its totient is φ = 64230921216.

The previous prime is 68212499977. The next prime is 68212500019. The reversal of 68212500001 is 10000521286.

It is a cyclic number.

It is not a de Polignac number, because 68212500001 - 2⁹ = 68212499489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68212560001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10774605 + ... + 10780933.

It is an arithmetic number, because the mean of its divisors is an integer number (4514872500).

Almost surely, 2^68212500001 is an apocalyptic number.

It is an amenable number.

68212500001 is a deficient number, since it is larger than the sum of its proper divisors (4025459999).

68212500001 is a wasteful number, since it uses less digits than its factorization.

68212500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 68212500001 in words is "sixty-eight billion, two hundred twelve million, five hundred thousand, one".