2012210220625 has 20 divisors (see below), whose sum is σ = 2743044982128. Its totient is φ = 1463425610000.

The previous prime is 2012210220619. The next prime is 2012210220641. The reversal of 2012210220625 is 5260220122102.

It is not a de Polignac number, because 2012210220625 - 2²⁹ = 2011673349713 is a prime.

It is a super-2 number, since 2×2012210220625² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2012210220625.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 146335687 + ... + 146349436.

Almost surely, 2^{2012210220625} is an apocalyptic number.

2012210220625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2012210220625 is a deficient number, since it is larger than the sum of its proper divisors (730834761503).

2012210220625 is an equidigital number, since it uses as much as digits as its factorization.

2012210220625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292685154 (or 292685139 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2012210220625 its reverse (5260220122102), we get a palindrome (7272430342727).

The spelling of 2012210220625 in words is "two trillion, twelve billion, two hundred ten million, two hundred twenty thousand, six hundred twenty-five".