210131123012 has 48 divisors (see below), whose sum is σ = 372953159040. Its totient is φ = 103584096000.

The previous prime is 210131122973. The next prime is 210131123021. The reversal of 210131123012 is 210321131012.

210131123012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 90925337 + ... + 90927647.

It is an arithmetic number, because the mean of its divisors is an integer number (7769857480).

Almost surely, 2^210131123012 is an apocalyptic number.

It is an amenable number.

210131123012 is a deficient number, since it is larger than the sum of its proper divisors (162822036028).

210131123012 is a wasteful number, since it uses less digits than its factorization.

210131123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210131123012 its reverse (210321131012), we get a palindrome (420452254024).

The spelling of 210131123012 in words is "two hundred ten billion, one hundred thirty-one million, one hundred twenty-three thousand, twelve".