212440311310 has 16 divisors (see below), whose sum is σ = 386689107600. Its totient is φ = 84021336256.

The previous prime is 212440311299. The next prime is 212440311311. The reversal of 212440311310 is 13113044212.

It is a super-2 number, since 2×212440311310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212440311311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119347600 + ... + 119349379.

It is an arithmetic number, because the mean of its divisors is an integer number (24168069225).

Almost surely, 2^212440311310 is an apocalyptic number.

212440311310 is a deficient number, since it is larger than the sum of its proper divisors (174248796290).

212440311310 is a wasteful number, since it uses less digits than its factorization.

212440311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238697075.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212440311310 its reverse (13113044212), we get a palindrome (225553355522).

The spelling of 212440311310 in words is "two hundred twelve billion, four hundred forty million, three hundred eleven thousand, three hundred ten".