2021123012030 has 16 divisors (see below), whose sum is σ = 3829496233680. Its totient is φ = 765899246592.

The previous prime is 2021123011987. The next prime is 2021123012039. The reversal of 2021123012030 is 302103211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021123012039) 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, 5318744579 + ... + 5318744958.

It is an arithmetic number, because the mean of its divisors is an integer number (239343514605).

Almost surely, 2^{2021123012030} is an apocalyptic number.

2021123012030 is a deficient number, since it is larger than the sum of its proper divisors (1808373221650).

2021123012030 is a wasteful number, since it uses less digits than its factorization.

2021123012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10637489563.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2021123012030 its reverse (302103211202), we get a palindrome (2323226223232).

The spelling of 2021123012030 in words is "two trillion, twenty-one billion, one hundred twenty-three million, twelve thousand, thirty".