10121230200 has 96 divisors (see below), whose sum is σ = 31686654960. Its totient is φ = 2672256000.

The previous prime is 10121230199. The next prime is 10121230333. The reversal of 10121230200 is 203212101.

It is a super-2 number, since 2×10121230200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 22909 + ... + 144108.

Almost surely, 2^10121230200 is an apocalyptic number.

10121230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10121230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15843327480).

10121230200 is an abundant number, since it is smaller than the sum of its proper divisors (21565424760).

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

10121230200 is a wasteful number, since it uses less digits than its factorization.

10121230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167137 (or 167128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10121230200 its reverse (203212101), we get a palindrome (10324442301).

The spelling of 10121230200 in words is "ten billion, one hundred twenty-one million, two hundred thirty thousand, two hundred".