212030204302989 has 48 divisors (see below), whose sum is σ = 309947874453360. Its totient is φ = 139656575139840.

The previous prime is 212030204302979. The next prime is 212030204302993. The reversal of 212030204302989 is 989203402030212.

212030204302989 is a `hidden beast` number, since 2 + 1 + 20 + 30 + 204 + 302 + 98 + 9 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 19284657444900 + 192745546858089 = 4391430^2 + 13883283^2 .

It is not a de Polignac number, because 212030204302989 - 2⁵ = 212030204302957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030204302979) 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 47 ways as a sum of consecutive naturals, for example, 10773335229 + ... + 10773354909.

It is an arithmetic number, because the mean of its divisors is an integer number (6457247384445).

Almost surely, 2^{212030204302989} is an apocalyptic number.

It is an amenable number.

212030204302989 is a deficient number, since it is larger than the sum of its proper divisors (97917670150371).

212030204302989 is a wasteful number, since it uses less digits than its factorization.

212030204302989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29550 (or 29547 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 212030204302989 in words is "two hundred twelve trillion, thirty billion, two hundred four million, three hundred two thousand, nine hundred eighty-nine".