133000123100213 has 4 divisors (see below), whose sum is σ = 133002796143180. Its totient is φ = 132997450057248.

The previous prime is 133000123100191. The next prime is 133000123100219. The reversal of 133000123100213 is 312001321000331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38429807875684 + 94570315224529 = 6199178^2 + 9724727^2 .

It is a cyclic number.

It is not a de Polignac number, because 133000123100213 - 2²⁰ = 133000122051637 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 (133000123100219) 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, 1336446848 + ... + 1336546361.

It is an arithmetic number, because the mean of its divisors is an integer number (33250699035795).

Almost surely, 2^{133000123100213} is an apocalyptic number.

It is an amenable number.

133000123100213 is a deficient number, since it is larger than the sum of its proper divisors (2673042967).

133000123100213 is an equidigital number, since it uses as much as digits as its factorization.

133000123100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673042966.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133000123100213 its reverse (312001321000331), we get a palindrome (445001444100544).

The spelling of 133000123100213 in words is "one hundred thirty-three trillion, one hundred twenty-three million, one hundred thousand, two hundred thirteen".