1200111211007 has 2 divisors, whose sum is σ = 1200111211008. Its totient is φ = 1200111211006.

The previous prime is 1200111210941. The next prime is 1200111211037. The reversal of 1200111211007 is 7001121110021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200111211007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200111211037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600055605503 + 600055605504.

It is an arithmetic number, because the mean of its divisors is an integer number (600055605504).

Almost surely, 2^{1200111211007} is an apocalyptic number.

1200111211007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200111211007 is an equidigital number, since it uses as much as digits as its factorization.

1200111211007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 1200111211007 its reverse (7001121110021), we get a palindrome (8201232321028).

The spelling of 1200111211007 in words is "one trillion, two hundred billion, one hundred eleven million, two hundred eleven thousand, seven".