1201221200983 has 2 divisors, whose sum is σ = 1201221200984. Its totient is φ = 1201221200982.

The previous prime is 1201221200957. The next prime is 1201221201013. The reversal of 1201221200983 is 3890021221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201221200983 - 2⁹ = 1201221200471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201221200483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600610600491 + 600610600492.

It is an arithmetic number, because the mean of its divisors is an integer number (600610600492).

Almost surely, 2^{1201221200983} is an apocalyptic number.

1201221200983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201221200983 is an equidigital number, since it uses as much as digits as its factorization.

1201221200983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 1201221200983 in words is "one trillion, two hundred one billion, two hundred twenty-one million, two hundred thousand, nine hundred eighty-three".