211412023444 has 12 divisors (see below), whose sum is σ = 369976075924. Its totient is φ = 105704573184.

The previous prime is 211412023411. The next prime is 211412023453. The reversal of 211412023444 is 444320214112.

It can be written as a sum of positive squares in 2 ways, for example, as 146545027344 + 64866996100 = 382812^2 + 254690^2 .

It is a super-2 number, since 2×211412023444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14212 + ... + 650404.

Almost surely, 2^211412023444 is an apocalyptic number.

It is an amenable number.

211412023444 is a deficient number, since it is larger than the sum of its proper divisors (158564052480).

211412023444 is a wasteful number, since it uses less digits than its factorization.

211412023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719274 (or 719272 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 211412023444 its reverse (444320214112), we get a palindrome (655732237556).

The spelling of 211412023444 in words is "two hundred eleven billion, four hundred twelve million, twenty-three thousand, four hundred forty-four".