21412211221412 has 12 divisors (see below), whose sum is σ = 40877857786416. Its totient is φ = 9732823282440.

The previous prime is 21412211221391. The next prime is 21412211221451.

21412211221412 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

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, 243320582018 + ... + 243320582105.

It is an arithmetic number, because the mean of its divisors is an integer number (3406488148868).

Almost surely, 2^{21412211221412} is an apocalyptic number.

21412211221412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21412211221412 is a deficient number, since it is larger than the sum of its proper divisors (19465646565004).

21412211221412 is a wasteful number, since it uses less digits than its factorization.

21412211221412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486641164138 (or 486641164136 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

It can be divided in two parts, 2141221 and 1221412, that added together give a palindrome (3362633).

The spelling of 21412211221412 in words is "twenty-one trillion, four hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, four hundred twelve".