10123123221200 has 60 divisors (see below), whose sum is σ = 26531785690368. Its totient is φ = 3681135715200.

The previous prime is 10123123221193. The next prime is 10123123221203. The reversal of 10123123221200 is 212232132101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123123221203) 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, 1150350512 + ... + 1150359311.

Almost surely, 2^{10123123221200} is an apocalyptic number.

10123123221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123123221200 is an abundant number, since it is smaller than the sum of its proper divisors (16408662469168).

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

10123123221200 is a wasteful number, since it uses less digits than its factorization.

10123123221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300709852 (or 2300709841 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10123123221200 its reverse (212232132101), we get a palindrome (10335355353301).

The spelling of 10123123221200 in words is "ten trillion, one hundred twenty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred".