12546212051 has 2 divisors, whose sum is σ = 12546212052. Its totient is φ = 12546212050.

The previous prime is 12546211987. The next prime is 12546212057. The reversal of 12546212051 is 15021264521.

It is a strong prime.

It is an emirp because it is prime and its reverse (15021264521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12546212051 - 2⁶ = 12546211987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12546212057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6273106025 + 6273106026.

It is an arithmetic number, because the mean of its divisors is an integer number (6273106026).

Almost surely, 2^12546212051 is an apocalyptic number.

12546212051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12546212051 is an equidigital number, since it uses as much as digits as its factorization.

12546212051 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12546212051 its reverse (15021264521), we get a palindrome (27567476572).

The spelling of 12546212051 in words is "twelve billion, five hundred forty-six million, two hundred twelve thousand, fifty-one".