21134244322412 has 96 divisors (see below), whose sum is σ = 43307205150720. Its totient is φ = 8936899568640.

The previous prime is 21134244322403. The next prime is 21134244322421. The reversal of 21134244322412 is 21422344243112.

It is an interprime number because it is at equal distance from previous prime (21134244322403) and next prime (21134244322421).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46419908 + ... + 46872980.

It is an arithmetic number, because the mean of its divisors is an integer number (451116720320).

Almost surely, 2^{21134244322412} is an apocalyptic number.

It is an amenable number.

21134244322412 is an abundant number, since it is smaller than the sum of its proper divisors (22172960828308).

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

21134244322412 is a wasteful number, since it uses less digits than its factorization.

21134244322412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454663 (or 454661 counting only the distinct ones).

The product of its digits is 73728, while the sum is 35.

Adding to 21134244322412 its reverse (21422344243112), we get a palindrome (42556588565524).

The spelling of 21134244322412 in words is "twenty-one trillion, one hundred thirty-four billion, two hundred forty-four million, three hundred twenty-two thousand, four hundred twelve".