212140334131 has 32 divisors (see below), whose sum is σ = 238427836416. Its totient is φ = 187076736000.

The previous prime is 212140334039. The next prime is 212140334183. The reversal of 212140334131 is 131433041212.

It is not a de Polignac number, because 212140334131 - 2¹¹ = 212140332083 is a prime.

It is a super-2 number, since 2×212140334131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212140334096 and 212140334105.

It is not an unprimeable number, because it can be changed into a prime (212140334531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72475590 + ... + 72478516.

It is an arithmetic number, because the mean of its divisors is an integer number (7450869888).

Almost surely, 2^212140334131 is an apocalyptic number.

212140334131 is a deficient number, since it is larger than the sum of its proper divisors (26287502285).

212140334131 is a wasteful number, since it uses less digits than its factorization.

212140334131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212140334131 its reverse (131433041212), we get a palindrome (343573375343).

The spelling of 212140334131 in words is "two hundred twelve billion, one hundred forty million, three hundred thirty-four thousand, one hundred thirty-one".