21441214412 has 6 divisors (see below), whose sum is σ = 37522125228.
Its totient is φ = 10720607204.
The previous prime is 21441214393. The next prime is 21441214433.
21441214412 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×214412144122 (a number of 21 digits) contains 22 as substring.
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 as a sum of consecutive naturals, namely, 2680151798 + ... + 2680151805.
It is an arithmetic number, because the mean of its divisors is an integer number (6253687538).
Almost surely, 221441214412 is an apocalyptic number.
It is an amenable number.
21441214412 is a deficient number, since it is larger than the sum of its proper divisors (16080910816).
21441214412 is a wasteful number, since it uses less digits than its factorization.
21441214412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5360303607 (or 5360303605 counting only the distinct ones).
The product of its digits is 2048, while the sum is 26.
The spelling of 21441214412 in words is "twenty-one billion, four hundred forty-one million, two hundred fourteen thousand, four hundred twelve".