2256212210025 has 12 divisors (see below), whose sum is σ = 3730270854032. Its totient is φ = 1203313178640.

The previous prime is 2256212209991. The next prime is 2256212210069. The reversal of 2256212210025 is 5200122126522.

It is not a de Polignac number, because 2256212210025 - 2¹⁰ = 2256212209001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2256212209974 and 2256212210001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15041414659 + ... + 15041414808.

Almost surely, 2^{2256212210025} is an apocalyptic number.

2256212210025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2256212210025 is a deficient number, since it is larger than the sum of its proper divisors (1474058644007).

2256212210025 is a wasteful number, since it uses less digits than its factorization.

2256212210025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30082829480 (or 30082829475 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2256212210025 its reverse (5200122126522), we get a palindrome (7456334336547).

The spelling of 2256212210025 in words is "two trillion, two hundred fifty-six billion, two hundred twelve million, two hundred ten thousand, twenty-five".