212021310025 has 24 divisors (see below), whose sum is σ = 300488088960. Its totient is φ = 145374620160.

The previous prime is 212021310019. The next prime is 212021310101. The reversal of 212021310025 is 520013120212.

212021310025 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 212021310025 - 2¹⁷ = 212021178953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212021309984 and 212021310011.

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, 2608956 + ... + 2688994.

It is an arithmetic number, because the mean of its divisors is an integer number (12520337040).

Almost surely, 2^212021310025 is an apocalyptic number.

212021310025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212021310025 is a deficient number, since it is larger than the sum of its proper divisors (88466778935).

212021310025 is a wasteful number, since it uses less digits than its factorization.

212021310025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95193 (or 95188 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 212021310025 its reverse (520013120212), we get a palindrome (732034430237).

The spelling of 212021310025 in words is "two hundred twelve billion, twenty-one million, three hundred ten thousand, twenty-five".