21422122122412 has 12 divisors (see below), whose sum is σ = 40896778597416. Its totient is φ = 9737328237440.

The previous prime is 21422122122409. The next prime is 21422122122413.

It is a happy number.

21422122122412 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21422122122412² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (21422122122413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243433205893 + ... + 243433205980.

It is an arithmetic number, because the mean of its divisors is an integer number (3408064883118).

Almost surely, 2^{21422122122412} is an apocalyptic number.

21422122122412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21422122122412 is a deficient number, since it is larger than the sum of its proper divisors (19474656475004).

21422122122412 is a wasteful number, since it uses less digits than its factorization.

21422122122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486866411888 (or 486866411886 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

It can be divided in two parts, 2142212 and 2122412, that added together give a palindrome (4264624).

The spelling of 21422122122412 in words is "twenty-one trillion, four hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, four hundred twelve".