213001303126 has 16 divisors (see below), whose sum is σ = 321993582768. Its totient is φ = 105670375200.

The previous prime is 213001303079. The next prime is 213001303127. The reversal of 213001303126 is 621303100312.

It is a junction number, because it is equal to n+sod(n) for n = 213001303097 and 213001303106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001303127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1618996 + ... + 1745608.

It is an arithmetic number, because the mean of its divisors is an integer number (20124598923).

Almost surely, 2^213001303126 is an apocalyptic number.

213001303126 is a deficient number, since it is larger than the sum of its proper divisors (108992279642).

213001303126 is a wasteful number, since it uses less digits than its factorization.

213001303126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133167.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213001303126 its reverse (621303100312), we get a palindrome (834304403438).

The spelling of 213001303126 in words is "two hundred thirteen billion, one million, three hundred three thousand, one hundred twenty-six".