21030322012030 has 32 divisors (see below), whose sum is σ = 39502199859264. Its totient is φ = 8046023732736.

The previous prime is 21030322012003. The next prime is 21030322012039. The reversal of 21030322012030 is 3021022303012.

It is a junction number, because it is equal to n+sod(n) for n = 21030322011989 and 21030322012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030322012039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3128022 + ... + 7200358.

It is an arithmetic number, because the mean of its divisors is an integer number (1234443745602).

Almost surely, 2^{21030322012030} is an apocalyptic number.

21030322012030 is a deficient number, since it is larger than the sum of its proper divisors (18471877847234).

21030322012030 is a wasteful number, since it uses less digits than its factorization.

21030322012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094820.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21030322012030 its reverse (3021022303012), we get a palindrome (24051344315042).

The spelling of 21030322012030 in words is "twenty-one trillion, thirty billion, three hundred twenty-two million, twelve thousand, thirty".