10212315215 has 16 divisors (see below), whose sum is σ = 12791001600. Its totient is φ = 7812559392.

The previous prime is 10212315199. The next prime is 10212315247. The reversal of 10212315215 is 51251321201.

It is a cyclic number.

It is not a de Polignac number, because 10212315215 - 2⁴ = 10212315199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528596 + ... + 547574.

It is an arithmetic number, because the mean of its divisors is an integer number (799437600).

Almost surely, 2^10212315215 is an apocalyptic number.

10212315215 is a deficient number, since it is larger than the sum of its proper divisors (2578686385).

10212315215 is a wasteful number, since it uses less digits than its factorization.

10212315215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23686.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 10212315215 its reverse (51251321201), we get a palindrome (61463636416).

The spelling of 10212315215 in words is "ten billion, two hundred twelve million, three hundred fifteen thousand, two hundred fifteen".