212442023031 has 16 divisors (see below), whose sum is σ = 337796012544. Its totient is φ = 116117378784.

The previous prime is 212442022993. The next prime is 212442023093. The reversal of 212442023031 is 130320244212.

It is a happy number.

It is not a de Polignac number, because 212442023031 - 2¹⁵ = 212441990263 is a prime.

It is a super-2 number, since 2×212442023031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212442022992 and 212442023010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212442023231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219918796 + ... + 219919761.

It is an arithmetic number, because the mean of its divisors is an integer number (21112250784).

Almost surely, 2^212442023031 is an apocalyptic number.

212442023031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212442023031 is a deficient number, since it is larger than the sum of its proper divisors (125353989513).

212442023031 is a wasteful number, since it uses less digits than its factorization.

212442023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439838590.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212442023031 its reverse (130320244212), we get a palindrome (342762267243).

The spelling of 212442023031 in words is "two hundred twelve billion, four hundred forty-two million, twenty-three thousand, thirty-one".