212001130 has 32 divisors (see below), whose sum is σ = 417348288. Its totient is φ = 76896000.

The previous prime is 212001109. The next prime is 212001149. The reversal of 212001130 is 31100212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45405 + ... + 49855.

It is an arithmetic number, because the mean of its divisors is an integer number (13042134).

Almost surely, 2^212001130 is an apocalyptic number.

212001130 is a deficient number, since it is larger than the sum of its proper divisors (205347158).

212001130 is a wasteful number, since it uses less digits than its factorization.

212001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 212001130 is about 14560.2585828686. The cubic root of 212001130 is about 596.2742551887.

Adding to 212001130 its reverse (31100212), we get a palindrome (243101342).

The spelling of 212001130 in words is "two hundred twelve million, one thousand, one hundred thirty".