1200211331351 has 2 divisors, whose sum is σ = 1200211331352. Its totient is φ = 1200211331350.

The previous prime is 1200211331317. The next prime is 1200211331359. The reversal of 1200211331351 is 1531331120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200211331351 - 2⁶ = 1200211331287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200211331359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600105665675 + 600105665676.

It is an arithmetic number, because the mean of its divisors is an integer number (600105665676).

Almost surely, 2^{1200211331351} is an apocalyptic number.

1200211331351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200211331351 is an equidigital number, since it uses as much as digits as its factorization.

1200211331351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 1200211331351 its reverse (1531331120021), we get a palindrome (2731542451372).

The spelling of 1200211331351 in words is "one trillion, two hundred billion, two hundred eleven million, three hundred thirty-one thousand, three hundred fifty-one".