133011123213 has 8 divisors (see below), whose sum is σ = 179777591488. Its totient is φ = 87459368544.

The previous prime is 133011123209. The next prime is 133011123229. The reversal of 133011123213 is 312321110331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133011123213 - 2² = 133011123209 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 133011123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011123283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303678145 + ... + 303678582.

It is an arithmetic number, because the mean of its divisors is an integer number (22472198936).

Almost surely, 2^133011123213 is an apocalyptic number.

It is an amenable number.

133011123213 is a deficient number, since it is larger than the sum of its proper divisors (46766468275).

133011123213 is an equidigital number, since it uses as much as digits as its factorization.

133011123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607356803.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133011123213 its reverse (312321110331), we get a palindrome (445332233544).

The spelling of 133011123213 in words is "one hundred thirty-three billion, eleven million, one hundred twenty-three thousand, two hundred thirteen".