21411110032412 has 12 divisors (see below), whose sum is σ = 37475512491816. Its totient is φ = 10703820749040.

The previous prime is 21411110032391. The next prime is 21411110032439. The reversal of 21411110032412 is 21423001111412.

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, 433539014 + ... + 433588397.

It is an arithmetic number, because the mean of its divisors is an integer number (3122959374318).

Almost surely, 2^{21411110032412} is an apocalyptic number.

It is an amenable number.

21411110032412 is a deficient number, since it is larger than the sum of its proper divisors (16064402459404).

21411110032412 is a wasteful number, since it uses less digits than its factorization.

21411110032412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867133588 (or 867133586 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 21411110032412 its reverse (21423001111412), we get a palindrome (42834111143824).

The spelling of 21411110032412 in words is "twenty-one trillion, four hundred eleven billion, one hundred ten million, thirty-two thousand, four hundred twelve".