2030212516421 has 4 divisors (see below), whose sum is σ = 2053023893100. Its totient is φ = 2007401139744.

The previous prime is 2030212516411. The next prime is 2030212516457. The reversal of 2030212516421 is 1246152120302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1291109512900 + 739103003521 = 1136270^2 + 859711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2030212516421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030212516411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11405688206 + ... + 11405688383.

It is an arithmetic number, because the mean of its divisors is an integer number (513255973275).

Almost surely, 2^{2030212516421} is an apocalyptic number.

It is an amenable number.

2030212516421 is a deficient number, since it is larger than the sum of its proper divisors (22811376679).

2030212516421 is an equidigital number, since it uses as much as digits as its factorization.

2030212516421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22811376678.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 2030212516421 its reverse (1246152120302), we get a palindrome (3276364636723).

The spelling of 2030212516421 in words is "two trillion, thirty billion, two hundred twelve million, five hundred sixteen thousand, four hundred twenty-one".