212204202444031 has 16 divisors (see below), whose sum is σ = 244320464865600. Its totient is φ = 180538622853120.

The previous prime is 212204202444007. The next prime is 212204202444037. The reversal of 212204202444031 is 130444202402212.

It is not a de Polignac number, because 212204202444031 - 2¹⁷ = 212204202312959 is a prime.

It is a super-2 number, since 2×212204202444031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212204202443984 and 212204202444002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212204202444037) 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, 6590706 + ... + 21629743.

It is an arithmetic number, because the mean of its divisors is an integer number (15270029054100).

Almost surely, 2^{212204202444031} is an apocalyptic number.

212204202444031 is a deficient number, since it is larger than the sum of its proper divisors (32116262421569).

212204202444031 is a wasteful number, since it uses less digits than its factorization.

212204202444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28228434.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 212204202444031 its reverse (130444202402212), we get a palindrome (342648404846243).

The spelling of 212204202444031 in words is "two hundred twelve trillion, two hundred four billion, two hundred two million, four hundred forty-four thousand, thirty-one".