1201302133021 has 2 divisors, whose sum is σ = 1201302133022. Its totient is φ = 1201302133020.

The previous prime is 1201302133013. The next prime is 1201302133033. The reversal of 1201302133021 is 1203312031021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129089007396 + 72213125625 = 1062586^2 + 268725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201302133021 - 2³ = 1201302133013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201302133021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201302433021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600651066510 + 600651066511.

It is an arithmetic number, because the mean of its divisors is an integer number (600651066511).

Almost surely, 2^{1201302133021} is an apocalyptic number.

It is an amenable number.

1201302133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201302133021 is an equidigital number, since it uses as much as digits as its factorization.

1201302133021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1201302133021 its reverse (1203312031021), we get a palindrome (2404614164042).

The spelling of 1201302133021 in words is "one trillion, two hundred one billion, three hundred two million, one hundred thirty-three thousand, twenty-one".