21344333141312 has 14 divisors (see below), whose sum is σ = 42355161077418. Its totient is φ = 10672166570624.

The previous prime is 21344333141281. The next prime is 21344333141323. The reversal of 21344333141312 is 21314133344312.

It can be written as a sum of positive squares in only one way, i.e., 13518975897856 + 7825357243456 = 3676816^2 + 2797384^2 .

It is a super-2 number, since 2×21344333141312² (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 as a sum of consecutive naturals, namely, 166752602603 + ... + 166752602730.

It is an arithmetic number, because the mean of its divisors is an integer number (3025368648387).

Almost surely, 2^{21344333141312} is an apocalyptic number.

It is an amenable number.

21344333141312 is a deficient number, since it is larger than the sum of its proper divisors (21010827936106).

21344333141312 is an equidigital number, since it uses as much as digits as its factorization.

21344333141312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333505205345 (or 333505205335 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

Adding to 21344333141312 its reverse (21314133344312), we get a palindrome (42658466485624).

The spelling of 21344333141312 in words is "twenty-one trillion, three hundred forty-four billion, three hundred thirty-three million, one hundred forty-one thousand, three hundred twelve".