211202412397 has 8 divisors (see below), whose sum is σ = 211907179800. Its totient is φ = 210498513984.

The previous prime is 211202412383. The next prime is 211202412401. The reversal of 211202412397 is 793214202112.

211202412397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 170023450921 + 41178961476 = 412339^2 + 202926^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211202412397 - 2⁷ = 211202412269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202412307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271479 + ... + 704347.

It is an arithmetic number, because the mean of its divisors is an integer number (26488397475).

Almost surely, 2^211202412397 is an apocalyptic number.

It is an amenable number.

211202412397 is a deficient number, since it is larger than the sum of its proper divisors (704767403).

211202412397 is a wasteful number, since it uses less digits than its factorization.

211202412397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434495.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 211202412397 in words is "two hundred eleven billion, two hundred two million, four hundred twelve thousand, three hundred ninety-seven".