212982130 has 16 divisors (see below), whose sum is σ = 384606144. Its totient is φ = 84917680.

The previous prime is 212982127. The next prime is 212982149. The reversal of 212982130 is 31289212.

It is a super-2 number, since 2×212982130² = 90722775398673800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31132 + ... + 37351.

It is an arithmetic number, because the mean of its divisors is an integer number (24037884).

Almost surely, 2^212982130 is an apocalyptic number.

212982130 is a deficient number, since it is larger than the sum of its proper divisors (171624014).

212982130 is a wasteful number, since it uses less digits than its factorization.

212982130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68801.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 212982130 is about 14593.9072903729. The cubic root of 212982130 is about 597.1925602174.

The spelling of 212982130 in words is "two hundred twelve million, nine hundred eighty-two thousand, one hundred thirty".