10000122211200 has 384 divisors, whose sum is σ = 36541301385600. Its totient is φ = 2383181209600.

The previous prime is 10000122211127. The next prime is 10000122211201. The reversal of 10000122211200 is 211222100001.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000122211201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5427874 + ... + 7032926.

It is an arithmetic number, because the mean of its divisors is an integer number (95159639025).

Almost surely, 2^{10000122211200} is an apocalyptic number.

10000122211200 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 10000122211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18270650692800).

10000122211200 is an abundant number, since it is smaller than the sum of its proper divisors (26541179174400).

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

10000122211200 is a wasteful number, since it uses less digits than its factorization.

10000122211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605150 (or 1605133 counting only the distinct ones).

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

Adding to 10000122211200 its reverse (211222100001), we get a palindrome (10211344311201).

The spelling of 10000122211200 in words is "ten trillion, one hundred twenty-two million, two hundred eleven thousand, two hundred".