212013299801 has 2 divisors, whose sum is σ = 212013299802. Its totient is φ = 212013299800.

The previous prime is 212013299783. The next prime is 212013300029. The reversal of 212013299801 is 108992310212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212009598025 + 3701776 = 460445^2 + 1924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212013299801 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212013299101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006649900 + 106006649901.

It is an arithmetic number, because the mean of its divisors is an integer number (106006649901).

Almost surely, 2^212013299801 is an apocalyptic number.

It is an amenable number.

212013299801 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013299801 is an equidigital number, since it uses as much as digits as its factorization.

212013299801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 212013299801 in words is "two hundred twelve billion, thirteen million, two hundred ninety-nine thousand, eight hundred one".