10212621015 has 16 divisors (see below), whose sum is σ = 16343820000. Its totient is φ = 5445522432.

The previous prime is 10212620939. The next prime is 10212621017. The reversal of 10212621015 is 51012621201.

10212621015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10212621015 - 2¹⁵ = 10212588247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212620982 and 10212621000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212621017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3490 + ... + 142959.

It is an arithmetic number, because the mean of its divisors is an integer number (1021488750).

Almost surely, 2^10212621015 is an apocalyptic number.

10212621015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10212621015 is a deficient number, since it is larger than the sum of its proper divisors (6131198985).

10212621015 is a wasteful number, since it uses less digits than its factorization.

10212621015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151106.

The product of its (nonzero) digits is 240, while the sum is 21.

The spelling of 10212621015 in words is "ten billion, two hundred twelve million, six hundred twenty-one thousand, fifteen".