21022322322012 has 96 divisors (see below), whose sum is σ = 56329043500800. Its totient is φ = 6034978252800.

The previous prime is 21022322321951. The next prime is 21022322322017.

21022322322012 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022322322017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168427564 + ... + 168552332.

It is an arithmetic number, because the mean of its divisors is an integer number (586760869800).

Almost surely, 2^{21022322322012} is an apocalyptic number.

21022322322012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21022322322012 is an abundant number, since it is smaller than the sum of its proper divisors (35306721178788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21022322322012 is a wasteful number, since it uses less digits than its factorization.

21022322322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191987 (or 191985 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 2102232 and 2322012, that added together give a palindrome (4424244).

The spelling of 21022322322012 in words is "twenty-one trillion, twenty-two billion, three hundred twenty-two million, three hundred twenty-two thousand, twelve".