212320013043 has 4 divisors (see below), whose sum is σ = 283093350728. Its totient is φ = 141546675360.

The previous prime is 212320012981. The next prime is 212320013053. The reversal of 212320013043 is 340310023212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212320013043 - 2¹⁰ = 212320012019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212320013053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35386668838 + ... + 35386668843.

It is an arithmetic number, because the mean of its divisors is an integer number (70773337682).

Almost surely, 2^212320013043 is an apocalyptic number.

212320013043 is a deficient number, since it is larger than the sum of its proper divisors (70773337685).

212320013043 is an equidigital number, since it uses as much as digits as its factorization.

212320013043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70773337684.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212320013043 its reverse (340310023212), we get a palindrome (552630036255).

The spelling of 212320013043 in words is "two hundred twelve billion, three hundred twenty million, thirteen thousand, forty-three".