21034303420412 has 12 divisors (see below), whose sum is σ = 36995006017200. Its totient is φ = 10464301701216.

The previous prime is 21034303420331. The next prime is 21034303420469. The reversal of 21034303420412 is 21402430343012.

It is a super-3 number, since 3×21034303420412³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13212501353 + ... + 13212502944.

It is an arithmetic number, because the mean of its divisors is an integer number (3082917168100).

Almost surely, 2^{21034303420412} is an apocalyptic number.

It is an amenable number.

21034303420412 is a deficient number, since it is larger than the sum of its proper divisors (15960702596788).

21034303420412 is a wasteful number, since it uses less digits than its factorization.

21034303420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26425004500 (or 26425004498 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21034303420412 its reverse (21402430343012), we get a palindrome (42436733763424).

The spelling of 21034303420412 in words is "twenty-one trillion, thirty-four billion, three hundred three million, four hundred twenty thousand, four hundred twelve".