211301431131212 has 6 divisors (see below), whose sum is σ = 369777504479628. Its totient is φ = 105650715565604.

The previous prime is 211301431131191. The next prime is 211301431131253. The reversal of 211301431131212 is 212131134103112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26412678891398 + ... + 26412678891405.

It is an arithmetic number, because the mean of its divisors is an integer number (61629584079938).

Almost surely, 2^{211301431131212} is an apocalyptic number.

It is an amenable number.

211301431131212 is a deficient number, since it is larger than the sum of its proper divisors (158476073348416).

211301431131212 is a wasteful number, since it uses less digits than its factorization.

211301431131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52825357782807 (or 52825357782805 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 211301431131212 its reverse (212131134103112), we get a palindrome (423432565234324).

The spelling of 211301431131212 in words is "two hundred eleven trillion, three hundred one billion, four hundred thirty-one million, one hundred thirty-one thousand, two hundred twelve".