203211143030000 has 400 divisors, whose sum is σ = 579326362971840. Its totient is φ = 67589643264000.

The previous prime is 203211143029963. The next prime is 203211143030017. The reversal of 203211143030000 is 30341112302.

It is a tau number, because it is divible by the number of its divisors (400).

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 79 ways as a sum of consecutive naturals, for example, 329882282 + ... + 330497718.

Almost surely, 2^{203211143030000} is an apocalyptic number.

203211143030000 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 203211143030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289663181485920).

203211143030000 is an abundant number, since it is smaller than the sum of its proper divisors (376115219941840).

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

203211143030000 is an equidigital number, since it uses as much as digits as its factorization.

203211143030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615614 (or 615593 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203211143030000 its reverse (30341112302), we get a palindrome (203241484142302).

The spelling of 203211143030000 in words is "two hundred three trillion, two hundred eleven billion, one hundred forty-three million, thirty thousand".