133212212113331 has 12 divisors (see below), whose sum is σ = 144414690084288. Its totient is φ = 122822633085984.

The previous prime is 133212212113289. The next prime is 133212212113447. The reversal of 133212212113331 is 133311212212331.

It is a de Polignac number, because none of the positive numbers 2^k-133212212113331 is a prime.

It is a super-2 number, since 2×133212212113331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133212212113294 and 133212212113303.

It is not an unprimeable number, because it can be changed into a prime (133212212113031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456538940 + ... + 456830633.

It is an arithmetic number, because the mean of its divisors is an integer number (12034557507024).

Almost surely, 2^{133212212113331} is an apocalyptic number.

133212212113331 is a deficient number, since it is larger than the sum of its proper divisors (11202477970957).

133212212113331 is an equidigital number, since it uses as much as digits as its factorization.

133212212113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913370462 (or 913370449 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

Adding to 133212212113331 its reverse (133311212212331), we get a palindrome (266523424325662).

The spelling of 133212212113331 in words is "one hundred thirty-three trillion, two hundred twelve billion, two hundred twelve million, one hundred thirteen thousand, three hundred thirty-one".