21310211201312 has 48 divisors (see below), whose sum is σ = 46221675542784. Its totient is φ = 9590554080000.

The previous prime is 21310211201303. The next prime is 21310211201371.

21310211201312 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 299669264 + ... + 299740367.

It is an arithmetic number, because the mean of its divisors is an integer number (962951573808).

Almost surely, 2^{21310211201312} is an apocalyptic number.

21310211201312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21310211201312 is an abundant number, since it is smaller than the sum of its proper divisors (24911464341472).

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

21310211201312 is a wasteful number, since it uses less digits than its factorization.

21310211201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599409753 (or 599409745 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 2131021 and 1201312, that added together give a palindrome (3332333).

The spelling of 21310211201312 in words is "twenty-one trillion, three hundred ten billion, two hundred eleven million, two hundred one thousand, three hundred twelve".