33012121030 has 128 divisors (see below), whose sum is σ = 73553412096. Its totient is φ = 10419235200.

The previous prime is 33012121013. The next prime is 33012121039. The reversal of 33012121030 is 3012121033.

It is a junction number, because it is equal to n+sod(n) for n = 33012120995 and 33012121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012121039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9531079 + ... + 9534541.

It is an arithmetic number, because the mean of its divisors is an integer number (574636032).

Almost surely, 2^33012121030 is an apocalyptic number.

33012121030 is an abundant number, since it is smaller than the sum of its proper divisors (40541291066).

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

33012121030 is a wasteful number, since it uses less digits than its factorization.

33012121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 33012121030 its reverse (3012121033), we get a palindrome (36024242063).

The spelling of 33012121030 in words is "thirty-three billion, twelve million, one hundred twenty-one thousand, thirty".