13031212127 has 2 divisors, whose sum is σ = 13031212128. Its totient is φ = 13031212126.

The previous prime is 13031212123. The next prime is 13031212153. The reversal of 13031212127 is 72121213031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13031212127 - 2² = 13031212123 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031212123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515606063 + 6515606064.

It is an arithmetic number, because the mean of its divisors is an integer number (6515606064).

Almost surely, 2^13031212127 is an apocalyptic number.

13031212127 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031212127 is an equidigital number, since it uses as much as digits as its factorization.

13031212127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 13031212127 its reverse (72121213031), we get a palindrome (85152425158).

The spelling of 13031212127 in words is "thirteen billion, thirty-one million, two hundred twelve thousand, one hundred twenty-seven".