212031222320203 has 16 divisors (see below), whose sum is σ = 251667655144416. Its totient is φ = 176093986083840.

The previous prime is 212031222320189. The next prime is 212031222320257. The reversal of 212031222320203 is 302023222130212.

It is not a de Polignac number, because 212031222320203 - 2⁹ = 212031222319691 is a prime.

It is a super-2 number, since 2×212031222320203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212031222320803) 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, 7642954276 + ... + 7642982017.

It is an arithmetic number, because the mean of its divisors is an integer number (15729228446526).

Almost surely, 2^{212031222320203} is an apocalyptic number.

212031222320203 is a deficient number, since it is larger than the sum of its proper divisors (39636432824213).

212031222320203 is a wasteful number, since it uses less digits than its factorization.

212031222320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15285936414.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212031222320203 its reverse (302023222130212), we get a palindrome (514054444450415).

The spelling of 212031222320203 in words is "two hundred twelve trillion, thirty-one billion, two hundred twenty-two million, three hundred twenty thousand, two hundred three".