20121310110200 has 48 divisors (see below), whose sum is σ = 50380664936280. Its totient is φ = 7429406808960.

The previous prime is 20121310110199. The next prime is 20121310110203. The reversal of 20121310110200 is 201101312102.

It is a super-2 number, since 2×20121310110200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121310110203) 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, 3869480114 + ... + 3869485313.

Almost surely, 2^{20121310110200} is an apocalyptic number.

20121310110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20121310110200 is an abundant number, since it is smaller than the sum of its proper divisors (30259354826080).

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

20121310110200 is a wasteful number, since it uses less digits than its factorization.

20121310110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738965456 (or 7738965447 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20121310110200 its reverse (201101312102), we get a palindrome (20322411422302).

The spelling of 20121310110200 in words is "twenty trillion, one hundred twenty-one billion, three hundred ten million, one hundred ten thousand, two hundred".