133121310112 has 48 divisors (see below), whose sum is σ = 302430989952. Its totient is φ = 56498077440.

The previous prime is 133121310109. The next prime is 133121310131. The reversal of 133121310112 is 211013121331.

It is a self number, because there is not a number n which added to its sum of digits gives 133121310112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861839 + ... + 2907982.

It is an arithmetic number, because the mean of its divisors is an integer number (6300645624).

Almost surely, 2^133121310112 is an apocalyptic number.

It is an amenable number.

133121310112 is an abundant number, since it is smaller than the sum of its proper divisors (169309679840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133121310112 is a wasteful number, since it uses less digits than its factorization.

133121310112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769941 (or 5769933 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 133121310112 its reverse (211013121331), we get a palindrome (344134431443).

The spelling of 133121310112 in words is "one hundred thirty-three billion, one hundred twenty-one million, three hundred ten thousand, one hundred twelve".