212040043513 has 8 divisors (see below), whose sum is σ = 212998705920. Its totient is φ = 211083156480.

The previous prime is 212040043487. The next prime is 212040043517. The reversal of 212040043513 is 315340040212.

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 212040043513 - 2³⁷ = 74601090041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212040043517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204145 + ... + 682462.

It is an arithmetic number, because the mean of its divisors is an integer number (26624838240).

Almost surely, 2^212040043513 is an apocalyptic number.

It is an amenable number.

212040043513 is a deficient number, since it is larger than the sum of its proper divisors (958662407).

212040043513 is an equidigital number, since it uses as much as digits as its factorization.

212040043513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887687.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 212040043513 its reverse (315340040212), we get a palindrome (527380083725).

The spelling of 212040043513 in words is "two hundred twelve billion, forty million, forty-three thousand, five hundred thirteen".