212321300113 has 8 divisors (see below), whose sum is σ = 228807290600. Its totient is φ = 195857250048.

The previous prime is 212321300101. The next prime is 212321300161. The reversal of 212321300113 is 311003123212.

It can be written as a sum of positive squares in 4 ways, for example, as 16185691729 + 196135608384 = 127223^2 + 442872^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212321300113 is a prime.

It is a super-2 number, since 2×212321300113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212321300173) 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, 5464998 + ... + 5503711.

It is an arithmetic number, because the mean of its divisors is an integer number (28600911325).

Almost surely, 2^212321300113 is an apocalyptic number.

It is an amenable number.

212321300113 is a deficient number, since it is larger than the sum of its proper divisors (16485990487).

212321300113 is a wasteful number, since it uses less digits than its factorization.

212321300113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970211.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212321300113 its reverse (311003123212), we get a palindrome (523324423325).

The spelling of 212321300113 in words is "two hundred twelve billion, three hundred twenty-one million, three hundred thousand, one hundred thirteen".