211200134130 has 64 divisors (see below), whose sum is σ = 564141024000. Its totient is φ = 56225969280.

The previous prime is 211200134129. The next prime is 211200134149. The reversal of 211200134130 is 31431002112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491211 + ... + 814670.

It is an arithmetic number, because the mean of its divisors is an integer number (8814703500).

Almost surely, 2^211200134130 is an apocalyptic number.

211200134130 is an abundant number, since it is smaller than the sum of its proper divisors (352940889870).

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

211200134130 is a wasteful number, since it uses less digits than its factorization.

211200134130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306496 (or 1306490 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211200134130 its reverse (31431002112), we get a palindrome (242631136242).

The spelling of 211200134130 in words is "two hundred eleven billion, two hundred million, one hundred thirty-four thousand, one hundred thirty".