33221344412042 has 16 divisors (see below), whose sum is σ = 50514916557960. Its totient is φ = 16383041321472.

The previous prime is 33221344412029. The next prime is 33221344412071. The reversal of 33221344412042 is 24021444312233.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28044131340241 + 5177213071801 = 5295671^2 + 2275349^2 .

It is a super-2 number, since 2×33221344412042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221344411993 and 33221344412011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33312434 + ... + 34295202.

Almost surely, 2^{33221344412042} is an apocalyptic number.

33221344412042 is a deficient number, since it is larger than the sum of its proper divisors (17293572145918).

33221344412042 is a wasteful number, since it uses less digits than its factorization.

33221344412042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214377.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 33221344412042 its reverse (24021444312233), we get a palindrome (57242788724275).

The spelling of 33221344412042 in words is "thirty-three trillion, two hundred twenty-one billion, three hundred forty-four million, four hundred twelve thousand, forty-two".