212212020344 has 8 divisors (see below), whose sum is σ = 397897538160. Its totient is φ = 106106010168.

The previous prime is 212212020311. The next prime is 212212020373. The reversal of 212212020344 is 443020212212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13263251264 + ... + 13263251279.

It is an arithmetic number, because the mean of its divisors is an integer number (49737192270).

Almost surely, 2^212212020344 is an apocalyptic number.

It is an amenable number.

212212020344 is a deficient number, since it is larger than the sum of its proper divisors (185685517816).

212212020344 is a wasteful number, since it uses less digits than its factorization.

212212020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26526502549 (or 26526502545 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212212020344 its reverse (443020212212), we get a palindrome (655232232556).

The spelling of 212212020344 in words is "two hundred twelve billion, two hundred twelve million, twenty thousand, three hundred forty-four".