13535512212 has 12 divisors (see below), whose sum is σ = 31582861856. Its totient is φ = 4511837400.

The previous prime is 13535512169. The next prime is 13535512247. The reversal of 13535512212 is 21221553531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13535512212² (a number of 21 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 13535512212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563979664 + ... + 563979687.

Almost surely, 2^13535512212 is an apocalyptic number.

13535512212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13535512212 is an abundant number, since it is smaller than the sum of its proper divisors (18047349644).

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

13535512212 is a wasteful number, since it uses less digits than its factorization.

13535512212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127959358 (or 1127959356 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The spelling of 13535512212 in words is "thirteen billion, five hundred thirty-five million, five hundred twelve thousand, two hundred twelve".