43212206214345 has 16 divisors (see below), whose sum is σ = 79016605649280. Its totient is φ = 19754151412224.

The previous prime is 43212206214301. The next prime is 43212206214413. The reversal of 43212206214345 is 54341260221234.

It is not a de Polignac number, because 43212206214345 - 2¹³ = 43212206206153 is a prime.

It is a super-2 number, since 2×43212206214345² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205772410440 + ... + 205772410649.

It is an arithmetic number, because the mean of its divisors is an integer number (4938537853080).

Almost surely, 2^{43212206214345} is an apocalyptic number.

It is an amenable number.

43212206214345 is a deficient number, since it is larger than the sum of its proper divisors (35804399434935).

43212206214345 is a wasteful number, since it uses less digits than its factorization.

43212206214345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411544821104.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 43212206214345 its reverse (54341260221234), we get a palindrome (97553466435579).

The spelling of 43212206214345 in words is "forty-three trillion, two hundred twelve billion, two hundred six million, two hundred fourteen thousand, three hundred forty-five".