21322064426412 has 48 divisors (see below), whose sum is σ = 49798677740000. Its totient is φ = 7100614490112.

The previous prime is 21322064426387. The next prime is 21322064426413. The reversal of 21322064426412 is 21462446022312.

It is not an unprimeable number, because it can be changed into a prime (21322064426413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104769378 + ... + 104972694.

Almost surely, 2^{21322064426412} is an apocalyptic number.

It is an amenable number.

21322064426412 is an abundant number, since it is smaller than the sum of its proper divisors (28476613313588).

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

21322064426412 is a wasteful number, since it uses less digits than its factorization.

21322064426412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211570 (or 211568 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 21322064426412 in words is "twenty-one trillion, three hundred twenty-two billion, sixty-four million, four hundred twenty-six thousand, four hundred twelve".