1000300012021 has 4 divisors (see below), whose sum is σ = 1000313502444. Its totient is φ = 1000286521600.

The previous prime is 1000300012003. The next prime is 1000300012031. The reversal of 1000300012021 is 1202100030001.

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 513952779025 + 486347232996 = 716905^2 + 697386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000300012021 - 2¹⁵ = 1000299979253 is a prime.

It is a super-2 number, since 2×1000300012021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000300011989 and 1000300012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000300012031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6633370 + ... + 6782491.

It is an arithmetic number, because the mean of its divisors is an integer number (250078375611).

Almost surely, 2^{1000300012021} is an apocalyptic number.

It is an amenable number.

1000300012021 is a deficient number, since it is larger than the sum of its proper divisors (13490423).

1000300012021 is an equidigital number, since it uses as much as digits as its factorization.

1000300012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13490422.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1000300012021 its reverse (1202100030001), we get a palindrome (2202400042022).

The spelling of 1000300012021 in words is "one trillion, three hundred million, twelve thousand, twenty-one".