133121303212 has 12 divisors (see below), whose sum is σ = 232983928800. Its totient is φ = 66554466416.

The previous prime is 133121303179. The next prime is 133121303221. The reversal of 133121303212 is 212303121331.

It is a super-2 number, since 2×133121303212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1497703 + ... + 1584094.

It is an arithmetic number, because the mean of its divisors is an integer number (19415327400).

Almost surely, 2^133121303212 is an apocalyptic number.

It is an amenable number.

133121303212 is a deficient number, since it is larger than the sum of its proper divisors (99862625588).

133121303212 is a wasteful number, since it uses less digits than its factorization.

133121303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092600 (or 3092598 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133121303212 its reverse (212303121331), we get a palindrome (345424424543).

The spelling of 133121303212 in words is "one hundred thirty-three billion, one hundred twenty-one million, three hundred three thousand, two hundred twelve".