10212015225 has 24 divisors (see below), whose sum is σ = 16900060192. Its totient is φ = 5441184000.

The previous prime is 10212015211. The next prime is 10212015251. The reversal of 10212015225 is 52251021201.

It is not a de Polignac number, because 10212015225 - 2⁹ = 10212014713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14049 + ... + 143601.

Almost surely, 2^10212015225 is an apocalyptic number.

10212015225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10212015225 is a deficient number, since it is larger than the sum of its proper divisors (6688044967).

10212015225 is a wasteful number, since it uses less digits than its factorization.

10212015225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130617 (or 130612 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 10212015225 its reverse (52251021201), we get a palindrome (62463036426).

The spelling of 10212015225 in words is "ten billion, two hundred twelve million, fifteen thousand, two hundred twenty-five".