10131021200 has 30 divisors (see below), whose sum is σ = 24339779394. Its totient is φ = 4052408320.

The previous prime is 10131021193. The next prime is 10131021203. The reversal of 10131021200 is 212013101.

It can be written as a sum of positive squares in 3 ways, for example, as 13075456 + 10117945744 = 3616^2 + 100588^2 .

It is not an unprimeable number, because it can be changed into a prime (10131021203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12663377 + ... + 12664176.

Almost surely, 2^10131021200 is an apocalyptic number.

10131021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131021200 is an abundant number, since it is smaller than the sum of its proper divisors (14208758194).

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

10131021200 is a wasteful number, since it uses less digits than its factorization.

10131021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25327571 (or 25327560 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10131021200 its reverse (212013101), we get a palindrome (10343034301).

The spelling of 10131021200 in words is "ten billion, one hundred thirty-one million, twenty-one thousand, two hundred".