1213402210133 has 4 divisors (see below), whose sum is σ = 1214651852928. Its totient is φ = 1212152567340.

The previous prime is 1213402210079. The next prime is 1213402210151. The reversal of 1213402210133 is 3310122043121.

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 1213402210133 - 2²⁶ = 1213335101269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213402210099 and 1213402210108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213602210133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624819941 + ... + 624821882.

It is an arithmetic number, because the mean of its divisors is an integer number (303662963232).

Almost surely, 2^{1213402210133} is an apocalyptic number.

It is an amenable number.

1213402210133 is a deficient number, since it is larger than the sum of its proper divisors (1249642795).

1213402210133 is an equidigital number, since it uses as much as digits as its factorization.

1213402210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249642794.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1213402210133 its reverse (3310122043121), we get a palindrome (4523524253254).

The spelling of 1213402210133 in words is "one trillion, two hundred thirteen billion, four hundred two million, two hundred ten thousand, one hundred thirty-three".