1200339106091 has 2 divisors, whose sum is σ = 1200339106092. Its totient is φ = 1200339106090.

The previous prime is 1200339106079. The next prime is 1200339106117. The reversal of 1200339106091 is 1906019330021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200339106091 is a prime.

It is a super-2 number, since 2×1200339106091² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200339106061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600169553045 + 600169553046.

It is an arithmetic number, because the mean of its divisors is an integer number (600169553046).

Almost surely, 2^{1200339106091} is an apocalyptic number.

1200339106091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200339106091 is an equidigital number, since it uses as much as digits as its factorization.

1200339106091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 1200339106091 in words is "one trillion, two hundred billion, three hundred thirty-nine million, one hundred six thousand, ninety-one".