21041014012 has 12 divisors (see below), whose sum is σ = 36823146640. Its totient is φ = 10520114976.

The previous prime is 21041013979. The next prime is 21041014013.

It is a happy number.

21041014012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21041014012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041014013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46393 + ... + 210319.

Almost surely, 2^21041014012 is an apocalyptic number.

It is an amenable number.

21041014012 is a deficient number, since it is larger than the sum of its proper divisors (15782132628).

21041014012 is a wasteful number, since it uses less digits than its factorization.

21041014012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196020 (or 196018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 210410 and 14012, that added together give a palindrome (224422).

The spelling of 21041014012 in words is "twenty-one billion, forty-one million, fourteen thousand, twelve".