1201002231133 has 4 divisors (see below), whose sum is σ = 1201005519840. Its totient is φ = 1200998942428.

The previous prime is 1201002231097. The next prime is 1201002231223. The reversal of 1201002231133 is 3311322001021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201002231133 - 2¹³ = 1201002222941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201002231133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201002231833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016713 + ... + 1853566.

It is an arithmetic number, because the mean of its divisors is an integer number (300251379960).

Almost surely, 2^{1201002231133} is an apocalyptic number.

It is an amenable number.

1201002231133 is a deficient number, since it is larger than the sum of its proper divisors (3288707).

1201002231133 is an equidigital number, since it uses as much as digits as its factorization.

1201002231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288706.

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

Adding to 1201002231133 its reverse (3311322001021), we get a palindrome (4512324232154).

The spelling of 1201002231133 in words is "one trillion, two hundred one billion, two million, two hundred thirty-one thousand, one hundred thirty-three".