1201332231133 has 2 divisors, whose sum is σ = 1201332231134. Its totient is φ = 1201332231132.

The previous prime is 1201332231037. The next prime is 1201332231221. The reversal of 1201332231133 is 3311322331021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165823351289 + 35508879844 = 1079733^2 + 188438^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201332231133 - 2²⁵ = 1201298676701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201332231098 and 1201332231107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201332234133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600666115566 + 600666115567.

It is an arithmetic number, because the mean of its divisors is an integer number (600666115567).

Almost surely, 2^{1201332231133} is an apocalyptic number.

It is an amenable number.

1201332231133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201332231133 is an equidigital number, since it uses as much as digits as its factorization.

1201332231133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1201332231133 its reverse (3311322331021), we get a palindrome (4512654562154).

The spelling of 1201332231133 in words is "one trillion, two hundred one billion, three hundred thirty-two million, two hundred thirty-one thousand, one hundred thirty-three".