21301244210312 has 32 divisors (see below), whose sum is σ = 43575521162400. Its totient is φ = 9681318316800.

The previous prime is 21301244210293. The next prime is 21301244210339.

It is a happy number.

21301244210312 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12513137 + ... + 14113152.

It is an arithmetic number, because the mean of its divisors is an integer number (1361735036325).

Almost surely, 2^{21301244210312} is an apocalyptic number.

21301244210312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21301244210312 is an abundant number, since it is smaller than the sum of its proper divisors (22274276952088).

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

21301244210312 is a wasteful number, since it uses less digits than its factorization.

21301244210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26635397 (or 26635393 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 2130124 and 4210312, that added together give a palindrome (6340436).

The spelling of 21301244210312 in words is "twenty-one trillion, three hundred one billion, two hundred forty-four million, two hundred ten thousand, three hundred twelve".