203312201211200 has 168 divisors, whose sum is σ = 505256937200640. Its totient is φ = 80515120384000.

The previous prime is 203312201211199. The next prime is 203312201211211. The reversal of 203312201211200 is 2112102213302.

It is a super-2 number, since 2×203312201211200² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5181361181 + ... + 5181400419.

Almost surely, 2^{203312201211200} is an apocalyptic number.

203312201211200 is a gapful number since it is divisible by the number (20) 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 203312201211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252628468600320).

203312201211200 is an abundant number, since it is smaller than the sum of its proper divisors (301944735989440).

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

203312201211200 is a wasteful number, since it uses less digits than its factorization.

203312201211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71425 (or 71410 counting only the distinct ones).

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

Adding to 203312201211200 its reverse (2112102213302), we get a palindrome (205424303424502).

The spelling of 203312201211200 in words is "two hundred three trillion, three hundred twelve billion, two hundred one million, two hundred eleven thousand, two hundred".