1031212321127 has 2 divisors, whose sum is σ = 1031212321128. Its totient is φ = 1031212321126.

The previous prime is 1031212321109. The next prime is 1031212321133. The reversal of 1031212321127 is 7211232121301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031212321127 - 2⁶ = 1031212321063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031212321096 and 1031212321105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031212321147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515606160563 + 515606160564.

It is an arithmetic number, because the mean of its divisors is an integer number (515606160564).

Almost surely, 2^{1031212321127} is an apocalyptic number.

1031212321127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031212321127 is an equidigital number, since it uses as much as digits as its factorization.

1031212321127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 1031212321127 its reverse (7211232121301), we get a palindrome (8242444442428).

The spelling of 1031212321127 in words is "one trillion, thirty-one billion, two hundred twelve million, three hundred twenty-one thousand, one hundred twenty-seven".