212344668697 has 16 divisors (see below), whose sum is σ = 243659308032. Its totient is φ = 181276436880.

The previous prime is 212344668647. The next prime is 212344668703. The reversal of 212344668697 is 796866443212.

It is a de Polignac number, because none of the positive numbers 2^k-212344668697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212344668647) 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, 1667398 + ... + 1790224.

It is an arithmetic number, because the mean of its divisors is an integer number (15228706752).

Almost surely, 2^212344668697 is an apocalyptic number.

It is an amenable number.

212344668697 is a deficient number, since it is larger than the sum of its proper divisors (31314639335).

212344668697 is a wasteful number, since it uses less digits than its factorization.

212344668697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123828.

The product of its digits is 20901888, while the sum is 58.

The spelling of 212344668697 in words is "two hundred twelve billion, three hundred forty-four million, six hundred sixty-eight thousand, six hundred ninety-seven".