13223610541512 has 144 divisors (see below), whose sum is σ = 41662897845660. Its totient is φ = 3778013207808.

The previous prime is 13223610541507. The next prime is 13223610541529. The reversal of 13223610541512 is 21514501632231.

13223610541512 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 3 + 61 + 0 + 541 + 51 + 2 = 666.

13223610541512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12694869236196 + 528741305316 = 3562986^2 + 727146^2 .

It is a super-2 number, since 2×13223610541512² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100542258 + ... + 100673694.

Almost surely, 2^{13223610541512} is an apocalyptic number.

13223610541512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13223610541512 is an abundant number, since it is smaller than the sum of its proper divisors (28439287304148).

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

13223610541512 is a wasteful number, since it uses less digits than its factorization.

13223610541512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159980 (or 159966 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 13223610541512 in words is "thirteen trillion, two hundred twenty-three billion, six hundred ten million, five hundred forty-one thousand, five hundred twelve".