211204343000 has 128 divisors (see below), whose sum is σ = 565058332800. Its totient is φ = 72382464000.

The previous prime is 211204342967. The next prime is 211204343023. The reversal of 211204343000 is 343402112.

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 31 ways as a sum of consecutive naturals, for example, 22178240 + ... + 22187760.

It is an arithmetic number, because the mean of its divisors is an integer number (4414518225).

Almost surely, 2^211204343000 is an apocalyptic number.

211204343000 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 211204343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282529166400).

211204343000 is an abundant number, since it is smaller than the sum of its proper divisors (353853989800).

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

211204343000 is a wasteful number, since it uses less digits than its factorization.

211204343000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12718 (or 12704 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 211204343000 its reverse (343402112), we get a palindrome (211547745112).

The spelling of 211204343000 in words is "two hundred eleven billion, two hundred four million, three hundred forty-three thousand".