10122001012200 has 384 divisors, whose sum is σ = 39283247139840. Its totient is φ = 2094543360000.

The previous prime is 10122001012187. The next prime is 10122001012231. The reversal of 10122001012200 is 221010022101.

It is a super-3 number, since 3×10122001012200³ (a number of 40 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10679655 + ... + 11588745.

It is an arithmetic number, because the mean of its divisors is an integer number (102300122760).

Almost surely, 2^{10122001012200} is an apocalyptic number.

10122001012200 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 10122001012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19641623569920).

10122001012200 is an abundant number, since it is smaller than the sum of its proper divisors (29161246127640).

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

10122001012200 is a wasteful number, since it uses less digits than its factorization.

10122001012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909369 (or 909360 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10122001012200 its reverse (221010022101), we get a palindrome (10343011034301).

Subtracting from 10122001012200 its reverse (221010022101), we obtain a palindrome (9900990990099).

The spelling of 10122001012200 in words is "ten trillion, one hundred twenty-two billion, one million, twelve thousand, two hundred".