212103130213 has 8 divisors (see below), whose sum is σ = 228432131928. Its totient is φ = 195776039424.

The previous prime is 212103130207. The next prime is 212103130249. The reversal of 212103130213 is 312031301212.

It can be written as a sum of positive squares in 4 ways, for example, as 2662353604 + 209440776609 = 51598^2 + 457647^2 .

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-212103130213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103130513) 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, 242920 + ... + 695137.

It is an arithmetic number, because the mean of its divisors is an integer number (28554016491).

Almost surely, 2^212103130213 is an apocalyptic number.

It is an amenable number.

212103130213 is a deficient number, since it is larger than the sum of its proper divisors (16329001715).

212103130213 is a wasteful number, since it uses less digits than its factorization.

212103130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955463.

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

Adding to 212103130213 its reverse (312031301212), we get a palindrome (524134431425).

The spelling of 212103130213 in words is "two hundred twelve billion, one hundred three million, one hundred thirty thousand, two hundred thirteen".