203122122144000 has 144 divisors (see below), whose sum is σ = 674670129020160. Its totient is φ = 54165899212800.

The previous prime is 203122122143999. The next prime is 203122122144059. The reversal of 203122122144000 is 441221221302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057831720 + ... + 1058023719.

Almost surely, 2^{203122122144000} is an apocalyptic number.

203122122144000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203122122144000 is an abundant number, since it is smaller than the sum of its proper divisors (471548006876160).

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

203122122144000 is an equidigital number, since it uses as much as digits as its factorization.

203122122144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115855473 (or 2115855449 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 203122122144000 its reverse (441221221302), we get a palindrome (203563343365302).

The spelling of 203122122144000 in words is "two hundred three trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred forty-four thousand".