13212004004120 has 16 divisors (see below), whose sum is σ = 29727009009360. Its totient is φ = 5284801601632.

The previous prime is 13212004004119. The next prime is 13212004004161. The reversal of 13212004004120 is 2140040021231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13212004004092 and 13212004004101.

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, 165150050012 + ... + 165150050091.

It is an arithmetic number, because the mean of its divisors is an integer number (1857938063085).

Almost surely, 2^{13212004004120} is an apocalyptic number.

13212004004120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212004004120 is an abundant number, since it is smaller than the sum of its proper divisors (16515005005240).

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

13212004004120 is a wasteful number, since it uses less digits than its factorization.

13212004004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330300100114 (or 330300100110 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13212004004120 its reverse (2140040021231), we get a palindrome (15352044025351).

The spelling of 13212004004120 in words is "thirteen trillion, two hundred twelve billion, four million, four thousand, one hundred twenty".