212013123301 has 4 divisors (see below), whose sum is σ = 242300712352.
Its totient is φ = 181725534252.
The previous prime is 212013123239. The next prime is 212013123317. The reversal of 212013123301 is 103321310212.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 212013123301 - 211 = 212013121253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212013123331) 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, 15143794515 + ... + 15143794528.
It is an arithmetic number, because the mean of its divisors is an integer number (60575178088).
Almost surely, 2212013123301 is an apocalyptic number.
It is an amenable number.
212013123301 is a deficient number, since it is larger than the sum of its proper divisors (30287589051).
212013123301 is an equidigital number, since it uses as much as digits as its factorization.
212013123301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30287589050.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 212013123301 its reverse (103321310212), we get a palindrome (315334433513).
The spelling of 212013123301 in words is "two hundred twelve billion, thirteen million, one hundred twenty-three thousand, three hundred one".