133112121421552 has 160 divisors (see below), whose sum is σ = 323445121187328. Its totient is φ = 51660596302848.

The previous prime is 133112121421549. The next prime is 133112121421571. The reversal of 133112121421552 is 255124121211331.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 756389923 + ... + 756565885.

Almost surely, 2^{133112121421552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133112121421552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161722560593664).

133112121421552 is an abundant number, since it is smaller than the sum of its proper divisors (190332999765776).

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

133112121421552 is a wasteful number, since it uses less digits than its factorization.

133112121421552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185847 (or 185841 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

Adding to 133112121421552 its reverse (255124121211331), we get a palindrome (388236242632883).

The spelling of 133112121421552 in words is "one hundred thirty-three trillion, one hundred twelve billion, one hundred twenty-one million, four hundred twenty-one thousand, five hundred fifty-two".