1133123201213 has 4 divisors (see below), whose sum is σ = 1133126739168. Its totient is φ = 1133119663260.

The previous prime is 1133123201183. The next prime is 1133123201227. The reversal of 1133123201213 is 3121023213311.

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 1133123201213 - 2³² = 1128828233917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133123201263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234793 + ... + 1947038.

It is an arithmetic number, because the mean of its divisors is an integer number (283281684792).

Almost surely, 2^{1133123201213} is an apocalyptic number.

It is an amenable number.

1133123201213 is a deficient number, since it is larger than the sum of its proper divisors (3537955).

1133123201213 is an equidigital number, since it uses as much as digits as its factorization.

1133123201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537954.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1133123201213 its reverse (3121023213311), we get a palindrome (4254146414524).

The spelling of 1133123201213 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-three million, two hundred one thousand, two hundred thirteen".