211342310212 has 24 divisors (see below), whose sum is σ = 403525265472. Its totient is φ = 96051928800.

The previous prime is 211342310189. The next prime is 211342310219. The reversal of 211342310212 is 212013243112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (211342310219) 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, 20193 + ... + 650455.

It is an arithmetic number, because the mean of its divisors is an integer number (16813552728).

Almost surely, 2^211342310212 is an apocalyptic number.

211342310212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211342310212 is a deficient number, since it is larger than the sum of its proper divisors (192182955260).

211342310212 is a wasteful number, since it uses less digits than its factorization.

211342310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637899 (or 637897 counting only the distinct ones).

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

Adding to 211342310212 its reverse (212013243112), we get a palindrome (423355553324).

The spelling of 211342310212 in words is "two hundred eleven billion, three hundred forty-two million, three hundred ten thousand, two hundred twelve".