21003044030012 has 48 divisors (see below), whose sum is σ = 42462552125952. Its totient is φ = 8983735438080.

The previous prime is 21003044030009. The next prime is 21003044030047.

21003044030012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21003044030012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037083 + ... + 6793805.

It is an arithmetic number, because the mean of its divisors is an integer number (884636502624).

Almost surely, 2^{21003044030012} is an apocalyptic number.

21003044030012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21003044030012 is an abundant number, since it is smaller than the sum of its proper divisors (21459508095940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21003044030012 is a wasteful number, since it uses less digits than its factorization.

21003044030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762658 (or 4762656 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 2100304 and 4030012, that added together give a palindrome (6130316).

The spelling of 21003044030012 in words is "twenty-one trillion, three billion, forty-four million, thirty thousand, twelve".