212301221003031 has 16 divisors (see below), whose sum is σ = 296212369971456. Its totient is φ = 134996974607616.

The previous prime is 212301221002961. The next prime is 212301221003033. The reversal of 212301221003031 is 130300122103212.

It is not a de Polignac number, because 212301221003031 - 2¹⁰ = 212301221002007 is a prime.

It is a super-2 number, since 2×212301221003031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212301221002989 and 212301221003007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212301221003033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4358090785 + ... + 4358139498.

It is an arithmetic number, because the mean of its divisors is an integer number (18513273123216).

Almost surely, 2^{212301221003031} is an apocalyptic number.

212301221003031 is a deficient number, since it is larger than the sum of its proper divisors (83911148968425).

212301221003031 is a wasteful number, since it uses less digits than its factorization.

212301221003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716230662.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212301221003031 its reverse (130300122103212), we get a palindrome (342601343106243).

The spelling of 212301221003031 in words is "two hundred twelve trillion, three hundred one billion, two hundred twenty-one million, three thousand, thirty-one".