33216514432412 has 12 divisors (see below), whose sum is σ = 59225671960056. Its totient is φ = 16294893872400.

The previous prime is 33216514432411. The next prime is 33216514432427. The reversal of 33216514432412 is 21423441561233.

It is a super-2 number, since 2×33216514432412² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33216514432412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33216514432411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78340835714 + ... + 78340836137.

It is an arithmetic number, because the mean of its divisors is an integer number (4935472663338).

Almost surely, 2^{33216514432412} is an apocalyptic number.

It is an amenable number.

33216514432412 is a deficient number, since it is larger than the sum of its proper divisors (26009157527644).

33216514432412 is a wasteful number, since it uses less digits than its factorization.

33216514432412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156681671908 (or 156681671906 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

Adding to 33216514432412 its reverse (21423441561233), we get a palindrome (54639955993645).

The spelling of 33216514432412 in words is "thirty-three trillion, two hundred sixteen billion, five hundred fourteen million, four hundred thirty-two thousand, four hundred twelve".