13533234612 has 24 divisors (see below), whose sum is σ = 31752014112. Its totient is φ = 4486154400.

The previous prime is 13533234553. The next prime is 13533234623. The reversal of 13533234612 is 21643233531.

It is a congruent number.

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, 3113214 + ... + 3117557.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000588).

Almost surely, 2^13533234612 is an apocalyptic number.

13533234612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13533234612 is an abundant number, since it is smaller than the sum of its proper divisors (18218779500).

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

13533234612 is a wasteful number, since it uses less digits than its factorization.

13533234612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230959 (or 6230957 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The spelling of 13533234612 in words is "thirteen billion, five hundred thirty-three million, two hundred thirty-four thousand, six hundred twelve".