212201330193 has 48 divisors (see below), whose sum is σ = 326819750400. Its totient is φ = 132366782592.

The previous prime is 212201330189. The next prime is 212201330207. The reversal of 212201330193 is 391033102212.

212201330193 is a `hidden beast` number, since 21 + 220 + 1 + 330 + 1 + 93 = 666.

It is not a de Polignac number, because 212201330193 - 2² = 212201330189 is a prime.

It is a super-2 number, since 2×212201330193² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212201330183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22693083 + ... + 22702431.

It is an arithmetic number, because the mean of its divisors is an integer number (6808744800).

Almost surely, 2^212201330193 is an apocalyptic number.

212201330193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212201330193 is a deficient number, since it is larger than the sum of its proper divisors (114618420207).

212201330193 is a wasteful number, since it uses less digits than its factorization.

212201330193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11758 (or 11755 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 212201330193 in words is "two hundred twelve billion, two hundred one million, three hundred thirty thousand, one hundred ninety-three".