13212204222040 has 32 divisors (see below), whose sum is σ = 29817270585360. Its totient is φ = 5268915273600.

The previous prime is 13212204221987. The next prime is 13212204222127. The reversal of 13212204222040 is 4022240221231.

It is a junction number, because it is equal to n+sod(n) for n = 13212204221996 and 13212204222014.

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, 498937071 + ... + 498963550.

Almost surely, 2^{13212204222040} is an apocalyptic number.

13212204222040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212204222040 is an abundant number, since it is smaller than the sum of its proper divisors (16605066363320).

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

13212204222040 is a wasteful number, since it uses less digits than its factorization.

13212204222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997900963 (or 997900959 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13212204222040 its reverse (4022240221231), we get a palindrome (17234444443271).

The spelling of 13212204222040 in words is "thirteen trillion, two hundred twelve billion, two hundred four million, two hundred twenty-two thousand, forty".