12216132751 has 2 divisors, whose sum is σ = 12216132752. Its totient is φ = 12216132750.

The previous prime is 12216132703. The next prime is 12216132757. The reversal of 12216132751 is 15723161221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12216132751 - 2²¹ = 12214035599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12216132757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6108066375 + 6108066376.

It is an arithmetic number, because the mean of its divisors is an integer number (6108066376).

Almost surely, 2^12216132751 is an apocalyptic number.

12216132751 is a deficient number, since it is larger than the sum of its proper divisors (1).

12216132751 is an equidigital number, since it uses as much as digits as its factorization.

12216132751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

Adding to 12216132751 its reverse (15723161221), we get a palindrome (27939293972).

The spelling of 12216132751 in words is "twelve billion, two hundred sixteen million, one hundred thirty-two thousand, seven hundred fifty-one".