212140323241 has 32 divisors (see below), whose sum is σ = 269053747200. Its totient is φ = 162451466880.

The previous prime is 212140323181. The next prime is 212140323293. The reversal of 212140323241 is 142323041212.

It is a cyclic number.

It is not a de Polignac number, because 212140323241 - 2¹⁷ = 212140192169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212140323041) 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, 21360765 + ... + 21370693.

It is an arithmetic number, because the mean of its divisors is an integer number (8407929600).

Almost surely, 2^212140323241 is an apocalyptic number.

It is an amenable number.

212140323241 is a deficient number, since it is larger than the sum of its proper divisors (56913423959).

212140323241 is a wasteful number, since it uses less digits than its factorization.

212140323241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14709.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212140323241 its reverse (142323041212), we get a palindrome (354463364453).

The spelling of 212140323241 in words is "two hundred twelve billion, one hundred forty million, three hundred twenty-three thousand, two hundred forty-one".