12212310203021 has 8 divisors (see below), whose sum is σ = 13492884930624. Its totient is φ = 10994202535360.

The previous prime is 12212310202993. The next prime is 12212310203059. The reversal of 12212310203021 is 12030201321221.

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-12212310203021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212310202984 and 12212310203002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212310203321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15616764575 + ... + 15616765356.

It is an arithmetic number, because the mean of its divisors is an integer number (1686610616328).

Almost surely, 2^{12212310203021} is an apocalyptic number.

It is an amenable number.

12212310203021 is a deficient number, since it is larger than the sum of its proper divisors (1280574727603).

12212310203021 is a wasteful number, since it uses less digits than its factorization.

12212310203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31233529971.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12212310203021 its reverse (12030201321221), we get a palindrome (24242511524242).

The spelling of 12212310203021 in words is "twelve trillion, two hundred twelve billion, three hundred ten million, two hundred three thousand, twenty-one".