1231201112293 has 2 divisors, whose sum is σ = 1231201112294. Its totient is φ = 1231201112292.

The previous prime is 1231201112233. The next prime is 1231201112333. The reversal of 1231201112293 is 3922111021321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1087000163649 + 144200948644 = 1042593^2 + 379738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231201112293 - 2⁹ = 1231201111781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231201112233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615600556146 + 615600556147.

It is an arithmetic number, because the mean of its divisors is an integer number (615600556147).

Almost surely, 2^{1231201112293} is an apocalyptic number.

It is an amenable number.

1231201112293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231201112293 is an equidigital number, since it uses as much as digits as its factorization.

1231201112293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1231201112293 in words is "one trillion, two hundred thirty-one billion, two hundred one million, one hundred twelve thousand, two hundred ninety-three".