212135031241 has 32 divisors (see below), whose sum is σ = 249443647488. Its totient is φ = 176639823360.

The previous prime is 212135031137. The next prime is 212135031257. The reversal of 212135031241 is 142130531212.

212135031241 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 212135031241 - 2⁷ = 212135031113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212135031271) 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 31 ways as a sum of consecutive naturals, for example, 25894456 + ... + 25902646.

It is an arithmetic number, because the mean of its divisors is an integer number (7795113984).

Almost surely, 2^212135031241 is an apocalyptic number.

It is an amenable number.

212135031241 is a deficient number, since it is larger than the sum of its proper divisors (37308616247).

212135031241 is a wasteful number, since it uses less digits than its factorization.

212135031241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 212135031241 its reverse (142130531212), we get a palindrome (354265562453).

The spelling of 212135031241 in words is "two hundred twelve billion, one hundred thirty-five million, thirty-one thousand, two hundred forty-one".