210212120131 has 24 divisors (see below), whose sum is σ = 238297973760. Its totient is φ = 184999722336.

The previous prime is 210212120117. The next prime is 210212120159. The reversal of 210212120131 is 131021212012.

210212120131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210212120131 - 2¹⁵ = 210212087363 is a prime.

It is a super-2 number, since 2×210212120131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210212120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1105230 + ... + 1281388.

It is an arithmetic number, because the mean of its divisors is an integer number (9929082240).

Almost surely, 2^210212120131 is an apocalyptic number.

210212120131 is a deficient number, since it is larger than the sum of its proper divisors (28085853629).

210212120131 is a wasteful number, since it uses less digits than its factorization.

210212120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176515 (or 176502 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 210212120131 its reverse (131021212012), we get a palindrome (341233332143).

The spelling of 210212120131 in words is "two hundred ten billion, two hundred twelve million, one hundred twenty thousand, one hundred thirty-one".