133123221331213 has 8 divisors (see below), whose sum is σ = 134315179574400. Its totient is φ = 131931506538048.

The previous prime is 133123221331189. The next prime is 133123221331259. The reversal of 133123221331213 is 312133122321331.

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

It is a cyclic number.

It is not a de Polignac number, because 133123221331213 - 2⁴¹ = 130924198075661 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 (133123221331283) 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, 59763883 + ... + 61951336.

It is an arithmetic number, because the mean of its divisors is an integer number (16789397446800).

Almost surely, 2^{133123221331213} is an apocalyptic number.

It is an amenable number.

133123221331213 is a deficient number, since it is larger than the sum of its proper divisors (1191958243187).

133123221331213 is a wasteful number, since it uses less digits than its factorization.

133123221331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121725011.

The product of its digits is 11664, while the sum is 31.

Adding to 133123221331213 its reverse (312133122321331), we get a palindrome (445256343652544).

The spelling of 133123221331213 in words is "one hundred thirty-three trillion, one hundred twenty-three billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred thirteen".