21430222203412 has 48 divisors (see below), whose sum is σ = 42459097000320. Its totient is φ = 9374871497600.

The previous prime is 21430222203407. The next prime is 21430222203431.

21430222203412 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21430222203412² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26604523 + ... + 27398194.

It is an arithmetic number, because the mean of its divisors is an integer number (884564520840).

Almost surely, 2^{21430222203412} is an apocalyptic number.

21430222203412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21430222203412 is a deficient number, since it is larger than the sum of its proper divisors (21028874796908).

21430222203412 is a wasteful number, since it uses less digits than its factorization.

21430222203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54003072 (or 54003070 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 2143022 and 2203412, that added together give a palindrome (4346434).

The spelling of 21430222203412 in words is "twenty-one trillion, four hundred thirty billion, two hundred twenty-two million, two hundred three thousand, four hundred twelve".