1331012133127 has 2 divisors, whose sum is σ = 1331012133128. Its totient is φ = 1331012133126.

The previous prime is 1331012133107. The next prime is 1331012133221. The reversal of 1331012133127 is 7213312101331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331012133127 - 2¹¹ = 1331012131079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331012133095 and 1331012133104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331012133107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665506066563 + 665506066564.

It is an arithmetic number, because the mean of its divisors is an integer number (665506066564).

Almost surely, 2^{1331012133127} is an apocalyptic number.

1331012133127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331012133127 is an equidigital number, since it uses as much as digits as its factorization.

1331012133127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 1331012133127 its reverse (7213312101331), we get a palindrome (8544324234458).

The spelling of 1331012133127 in words is "one trillion, three hundred thirty-one billion, twelve million, one hundred thirty-three thousand, one hundred twenty-seven".