12267220725 has 36 divisors (see below), whose sum is σ = 22250113600. Its totient is φ = 6459691680.

The previous prime is 12267220717. The next prime is 12267220733. The reversal of 12267220725 is 52702276221.

It is an interprime number because it is at equal distance from previous prime (12267220717) and next prime (12267220733).

It is not a de Polignac number, because 12267220725 - 2³ = 12267220717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12267220725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 327295 + ... + 362844.

Almost surely, 2^12267220725 is an apocalyptic number.

12267220725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12267220725 is a deficient number, since it is larger than the sum of its proper divisors (9982892875).

12267220725 is a wasteful number, since it uses less digits than its factorization.

12267220725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690234 (or 690226 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 12267220725 its reverse (52702276221), we get a palindrome (64969496946).

The spelling of 12267220725 in words is "twelve billion, two hundred sixty-seven million, two hundred twenty thousand, seven hundred twenty-five".