21334210302012 has 96 divisors (see below), whose sum is σ = 51890332972800. Its totient is φ = 6816264998400.

The previous prime is 21334210302007. The next prime is 21334210302017. The reversal of 21334210302012 is 21020301243312.

It is an interprime number because it is at equal distance from previous prime (21334210302007) and next prime (21334210302017).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334210302017) by changing a digit.

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, 25366539 + ... + 26194077.

It is an arithmetic number, because the mean of its divisors is an integer number (540524301800).

Almost surely, 2^{21334210302012} is an apocalyptic number.

It is an amenable number.

21334210302012 is an abundant number, since it is smaller than the sum of its proper divisors (30556122670788).

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

21334210302012 is a wasteful number, since it uses less digits than its factorization.

21334210302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828507 (or 828505 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21334210302012 its reverse (21020301243312), we get a palindrome (42354511545324).

The spelling of 21334210302012 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred two thousand, twelve".