133113123213 has 32 divisors (see below), whose sum is σ = 209894150400. Its totient is φ = 73420494336.

The previous prime is 133113123203. The next prime is 133113123301. The reversal of 133113123213 is 312321311331.

It is not a de Polignac number, because 133113123213 - 2¹⁶ = 133113057677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133113123203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2207103 + ... + 2266611.

It is an arithmetic number, because the mean of its divisors is an integer number (6559192200).

Almost surely, 2^133113123213 is an apocalyptic number.

It is an amenable number.

133113123213 is a deficient number, since it is larger than the sum of its proper divisors (76781027187).

133113123213 is a wasteful number, since it uses less digits than its factorization.

133113123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221.

The product of its digits is 972, while the sum is 24.

Adding to 133113123213 its reverse (312321311331), we get a palindrome (445434434544).

The spelling of 133113123213 in words is "one hundred thirty-three billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred thirteen".