33212136144 has 60 divisors (see below), whose sum is σ = 94306929248. Its totient is φ = 10064281920.

The previous prime is 33212136127. The next prime is 33212136149. The reversal of 33212136144 is 44163121233.

It is a super-2 number, since 2×33212136144² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212136149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2853364 + ... + 2864979.

Almost surely, 2^33212136144 is an apocalyptic number.

It is an amenable number.

33212136144 is an abundant number, since it is smaller than the sum of its proper divisors (61094793104).

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

33212136144 is a wasteful number, since it uses less digits than its factorization.

33212136144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718376 (or 5718359 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 33212136144 its reverse (44163121233), we get a palindrome (77375257377).

The spelling of 33212136144 in words is "thirty-three billion, two hundred twelve million, one hundred thirty-six thousand, one hundred forty-four".