33120403142 has 8 divisors (see below), whose sum is σ = 49681944000. Its totient is φ = 16559755144.

The previous prime is 33120403123. The next prime is 33120403177. The reversal of 33120403142 is 24130402133.

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

It is a super-2 number, since 2×33120403142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121142 + ... + 284457.

It is an arithmetic number, because the mean of its divisors is an integer number (6210243000).

Almost surely, 2^33120403142 is an apocalyptic number.

33120403142 is a deficient number, since it is larger than the sum of its proper divisors (16561540858).

33120403142 is a wasteful number, since it uses less digits than its factorization.

33120403142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446430.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33120403142 its reverse (24130402133), we get a palindrome (57250805275).

The spelling of 33120403142 in words is "thirty-three billion, one hundred twenty million, four hundred three thousand, one hundred forty-two".