12601422331 has 2 divisors, whose sum is σ = 12601422332. Its totient is φ = 12601422330.

The previous prime is 12601422293. The next prime is 12601422389. The reversal of 12601422331 is 13322410621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12601422331 - 2¹¹ = 12601420283 is a prime.

It is a super-2 number, since 2×12601422331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12601422296 and 12601422305.

It is not a weakly prime, because it can be changed into another prime (12601422731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300711165 + 6300711166.

It is an arithmetic number, because the mean of its divisors is an integer number (6300711166).

Almost surely, 2^12601422331 is an apocalyptic number.

12601422331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12601422331 is an equidigital number, since it uses as much as digits as its factorization.

12601422331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12601422331 its reverse (13322410621), we get a palindrome (25923832952).

The spelling of 12601422331 in words is "twelve billion, six hundred one million, four hundred twenty-two thousand, three hundred thirty-one".