13033433412 has 96 divisors (see below), whose sum is σ = 34107920000. Its totient is φ = 4303798272.

The previous prime is 13033433407. The next prime is 13033433453. The reversal of 13033433412 is 21433433031.

13033433412 is a `hidden beast` number, since 1 + 303 + 343 + 3 + 4 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11543664 + ... + 11544792.

Almost surely, 2^13033433412 is an apocalyptic number.

13033433412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13033433412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17053960000).

13033433412 is an abundant number, since it is smaller than the sum of its proper divisors (21074486588).

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

13033433412 is a wasteful number, since it uses less digits than its factorization.

13033433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13033433412 its reverse (21433433031), we get a palindrome (34466866443).

The spelling of 13033433412 in words is "thirteen billion, thirty-three million, four hundred thirty-three thousand, four hundred twelve".