12210021555341 has 8 divisors (see below), whose sum is σ = 12853772412480. Its totient is φ = 11566382512608.

The previous prime is 12210021555331. The next prime is 12210021555587. The reversal of 12210021555341 is 14355512001221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210021555341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210021555298 and 12210021555307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210021555331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27729401 + ... + 28166286.

It is an arithmetic number, because the mean of its divisors is an integer number (1606721551560).

Almost surely, 2^{12210021555341} is an apocalyptic number.

It is an amenable number.

12210021555341 is a deficient number, since it is larger than the sum of its proper divisors (643750857139).

12210021555341 is a wasteful number, since it uses less digits than its factorization.

12210021555341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55907203.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 12210021555341 its reverse (14355512001221), we get a palindrome (26565533556562).

The spelling of 12210021555341 in words is "twelve trillion, two hundred ten billion, twenty-one million, five hundred fifty-five thousand, three hundred forty-one".