212320002015 has 48 divisors (see below), whose sum is σ = 402098950656. Its totient is φ = 102783768000.

The previous prime is 212320001983. The next prime is 212320002017. The reversal of 212320002015 is 510200023212.

It is not a de Polignac number, because 212320002015 - 2⁵ = 212320001983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11211 + ... + 651740.

It is an arithmetic number, because the mean of its divisors is an integer number (8377061472).

Almost surely, 2^212320002015 is an apocalyptic number.

212320002015 is a deficient number, since it is larger than the sum of its proper divisors (189778948641).

212320002015 is a wasteful number, since it uses less digits than its factorization.

212320002015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663620 (or 663617 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 212320002015 its reverse (510200023212), we get a palindrome (722520025227).

The spelling of 212320002015 in words is "two hundred twelve billion, three hundred twenty million, two thousand, fifteen".