212130983 has 2 divisors, whose sum is σ = 212130984. Its totient is φ = 212130982.

The previous prime is 212130973. The next prime is 212131009. The reversal of 212130983 is 389031212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212130983 - 2⁴ = 212130967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212130943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106065491 + 106065492.

It is an arithmetic number, because the mean of its divisors is an integer number (106065492).

Almost surely, 2^212130983 is an apocalyptic number.

212130983 is a deficient number, since it is larger than the sum of its proper divisors (1).

212130983 is an equidigital number, since it uses as much as digits as its factorization.

212130983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 212130983 is about 14564.7170587005. The cubic root of 212130983 is about 596.3959718320.

The spelling of 212130983 in words is "two hundred twelve million, one hundred thirty thousand, nine hundred eighty-three".