2012310214221 has 8 divisors (see below), whose sum is σ = 2683098009504. Its totient is φ = 1341531280880.

The previous prime is 2012310214219. The next prime is 2012310214261. The reversal of 2012310214221 is 1224120132102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2012310214221 - 2¹ = 2012310214219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012310214261) 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, 1666191 + ... + 2607836.

It is an arithmetic number, because the mean of its divisors is an integer number (335387251188).

Almost surely, 2^{2012310214221} is an apocalyptic number.

It is an amenable number.

2012310214221 is a deficient number, since it is larger than the sum of its proper divisors (670787795283).

2012310214221 is a wasteful number, since it uses less digits than its factorization.

2012310214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430971.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2012310214221 its reverse (1224120132102), we get a palindrome (3236430346323).

The spelling of 2012310214221 in words is "two trillion, twelve billion, three hundred ten million, two hundred fourteen thousand, two hundred twenty-one".