12210525461 has 2 divisors, whose sum is σ = 12210525462. Its totient is φ = 12210525460.

The previous prime is 12210525443. The next prime is 12210525463. The reversal of 12210525461 is 16452501221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7652925361 + 4557600100 = 87481^2 + 67510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210525461 is a prime.

Together with 12210525463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210525463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105262730 + 6105262731.

It is an arithmetic number, because the mean of its divisors is an integer number (6105262731).

Almost surely, 2^12210525461 is an apocalyptic number.

It is an amenable number.

12210525461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210525461 is an equidigital number, since it uses as much as digits as its factorization.

12210525461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 12210525461 in words is "twelve billion, two hundred ten million, five hundred twenty-five thousand, four hundred sixty-one".