212010131 has 4 divisors (see below), whose sum is σ = 213360672. Its totient is φ = 210659592.

The previous prime is 212010119. The next prime is 212010133. The reversal of 212010131 is 131010212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212010131 - 2¹⁰ = 212009107 is a prime.

It is a super-2 number, since 2×212010131² = 89896591293274322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675035 + ... + 675348.

It is an arithmetic number, because the mean of its divisors is an integer number (53340168).

Almost surely, 2^212010131 is an apocalyptic number.

212010131 is a deficient number, since it is larger than the sum of its proper divisors (1350541).

212010131 is a wasteful number, since it uses less digits than its factorization.

212010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350540.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212010131 is about 14560.5676743731. The cubic root of 212010131 is about 596.2826938051.

Adding to 212010131 its reverse (131010212), we get a palindrome (343020343).

The spelling of 212010131 in words is "two hundred twelve million, ten thousand, one hundred thirty-one".