13121133322224 has 40 divisors (see below), whose sum is σ = 35370011567232. Its totient is φ = 4183549754560.

The previous prime is 13121133322217. The next prime is 13121133322237. The reversal of 13121133322224 is 42222333112131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13121133322191 and 13121133322200.

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, 5942541162 + ... + 5942543369.

Almost surely, 2^{13121133322224} is an apocalyptic number.

It is an amenable number.

13121133322224 is an abundant number, since it is smaller than the sum of its proper divisors (22248878245008).

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

13121133322224 is a wasteful number, since it uses less digits than its factorization.

13121133322224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11885084565 (or 11885084559 counting only the distinct ones).

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

Adding to 13121133322224 its reverse (42222333112131), we get a palindrome (55343466434355).

The spelling of 13121133322224 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-three million, three hundred twenty-two thousand, two hundred twenty-four".