212335224197 has 2 divisors, whose sum is σ = 212335224198. Its totient is φ = 212335224196.

The previous prime is 212335224161. The next prime is 212335224239. The reversal of 212335224197 is 791422533212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212070381121 + 264843076 = 460511^2 + 16274^2 .

It is a cyclic number.

It is not a de Polignac number, because 212335224197 - 2¹⁶ = 212335158661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212335224097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106167612098 + 106167612099.

It is an arithmetic number, because the mean of its divisors is an integer number (106167612099).

Almost surely, 2^212335224197 is an apocalyptic number.

It is an amenable number.

212335224197 is a deficient number, since it is larger than the sum of its proper divisors (1).

212335224197 is an equidigital number, since it uses as much as digits as its factorization.

212335224197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The spelling of 212335224197 in words is "two hundred twelve billion, three hundred thirty-five million, two hundred twenty-four thousand, one hundred ninety-seven".