21310130201200 has 60 divisors (see below), whose sum is σ = 52446309502608. Its totient is φ = 8316148364800.

The previous prime is 21310130201099. The next prime is 21310130201209. The reversal of 21310130201200 is 210203101312.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310130201209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649682692 + ... + 649715491.

Almost surely, 2^{21310130201200} is an apocalyptic number.

21310130201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21310130201200 is an abundant number, since it is smaller than the sum of its proper divisors (31136179301408).

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

21310130201200 is a wasteful number, since it uses less digits than its factorization.

21310130201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299398242 (or 1299398231 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21310130201200 its reverse (210203101312), we get a palindrome (21520333302512).

The spelling of 21310130201200 in words is "twenty-one trillion, three hundred ten billion, one hundred thirty million, two hundred one thousand, two hundred".