21043033034012 has 24 divisors (see below), whose sum is σ = 40173285141360. Its totient is φ = 9564962140160.

The previous prime is 21043033033963. The next prime is 21043033034059.

21043033034012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21043033034012² (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 7 ways as a sum of consecutive naturals, for example, 7370258 + ... + 9818694.

It is an arithmetic number, because the mean of its divisors is an integer number (1673886880890).

Almost surely, 2^{21043033034012} is an apocalyptic number.

21043033034012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21043033034012 is a deficient number, since it is larger than the sum of its proper divisors (19130252107348).

21043033034012 is a wasteful number, since it uses less digits than its factorization.

21043033034012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643781 (or 2643779 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 2104303 and 3034012, that added together give a palindrome (5138315).

The spelling of 21043033034012 in words is "twenty-one trillion, forty-three billion, thirty-three million, thirty-four thousand, twelve".