212460130 has 16 divisors (see below), whose sum is σ = 383418360. Its totient is φ = 84764032.

The previous prime is 212460077. The next prime is 212460137. The reversal of 212460130 is 31064212.

It can be written as a sum of positive squares in 4 ways, for example, as 156075049 + 56385081 = 12493^2 + 7509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212460098 and 212460107.

It is not an unprimeable number, because it can be changed into a prime (212460137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23419 + ... + 31198.

Almost surely, 2^212460130 is an apocalyptic number.

212460130 is a deficient number, since it is larger than the sum of its proper divisors (170958230).

212460130 is a wasteful number, since it uses less digits than its factorization.

212460130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55013.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 212460130 is about 14576.0121432441. The cubic root of 212460130 is about 596.7042727079.

The spelling of 212460130 in words is "two hundred twelve million, four hundred sixty thousand, one hundred thirty".