33123221030 has 32 divisors (see below), whose sum is σ = 61246142496. Its totient is φ = 12888474624.

The previous prime is 33123221029. The next prime is 33123221059. The reversal of 33123221030 is 3012232133.

It is a junction number, because it is equal to n+sod(n) for n = 33123220993 and 33123221011.

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 15 ways as a sum of consecutive naturals, for example, 3464717 + ... + 3474263.

It is an arithmetic number, because the mean of its divisors is an integer number (1913941953).

Almost surely, 2^33123221030 is an apocalyptic number.

33123221030 is a deficient number, since it is larger than the sum of its proper divisors (28122921466).

33123221030 is a wasteful number, since it uses less digits than its factorization.

33123221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18968.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33123221030 its reverse (3012232133), we get a palindrome (36135453163).

The spelling of 33123221030 in words is "thirty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, thirty".