212361401107 has 4 divisors (see below), whose sum is σ = 212365260720. Its totient is φ = 212357541496.

The previous prime is 212361401071. The next prime is 212361401141. The reversal of 212361401107 is 701104163212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212361401107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212361401167) 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, 1846063 + ... + 1957720.

It is an arithmetic number, because the mean of its divisors is an integer number (53091315180).

Almost surely, 2^212361401107 is an apocalyptic number.

212361401107 is a deficient number, since it is larger than the sum of its proper divisors (3859613).

212361401107 is an equidigital number, since it uses as much as digits as its factorization.

212361401107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859612.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 212361401107 its reverse (701104163212), we get a palindrome (913465564319).

The spelling of 212361401107 in words is "two hundred twelve billion, three hundred sixty-one million, four hundred one thousand, one hundred seven".