213123020010010 has 48 divisors (see below), whose sum is σ = 421892394039648. Its totient is φ = 77457769123680.

The previous prime is 213123020010007. The next prime is 213123020010031. The reversal of 213123020010010 is 10010020321312.

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 in 23 ways as a sum of consecutive naturals, for example, 44911452 + ... + 49429591.

It is an arithmetic number, because the mean of its divisors is an integer number (8789424875826).

Almost surely, 2^{213123020010010} is an apocalyptic number.

213123020010010 is a deficient number, since it is larger than the sum of its proper divisors (208769374029638).

213123020010010 is a wasteful number, since it uses less digits than its factorization.

213123020010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94342939 (or 94342928 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213123020010010 its reverse (10010020321312), we get a palindrome (223133040331322).

The spelling of 213123020010010 in words is "two hundred thirteen trillion, one hundred twenty-three billion, twenty million, ten thousand, ten".