33121121332004 has 48 divisors (see below), whose sum is σ = 60382858166400. Its totient is φ = 15883695959040.

The previous prime is 33121121332001. The next prime is 33121121332043. The reversal of 33121121332004 is 40023312112133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (33121121332001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3649652 + ... + 8919764.

It is an arithmetic number, because the mean of its divisors is an integer number (1257976211800).

Almost surely, 2^{33121121332004} is an apocalyptic number.

It is an amenable number.

33121121332004 is a deficient number, since it is larger than the sum of its proper divisors (27261736834396).

33121121332004 is a wasteful number, since it uses less digits than its factorization.

33121121332004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270820 (or 5270818 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 33121121332004 its reverse (40023312112133), we get a palindrome (73144433444137).

The spelling of 33121121332004 in words is "thirty-three trillion, one hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-two thousand, four".