212198027707 has 2 divisors, whose sum is σ = 212198027708. Its totient is φ = 212198027706.

The previous prime is 212198027689. The next prime is 212198027737. The reversal of 212198027707 is 707720891212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212198027707 is a prime.

It is not a weakly prime, because it can be changed into another prime (212198027737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106099013853 + 106099013854.

It is an arithmetic number, because the mean of its divisors is an integer number (106099013854).

Almost surely, 2^212198027707 is an apocalyptic number.

212198027707 is a deficient number, since it is larger than the sum of its proper divisors (1).

212198027707 is an equidigital number, since it uses as much as digits as its factorization.

212198027707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 212198027707 in words is "two hundred twelve billion, one hundred ninety-eight million, twenty-seven thousand, seven hundred seven".