212212120310 has 32 divisors (see below), whose sum is σ = 389319141312. Its totient is φ = 83255402880.

The previous prime is 212212120291. The next prime is 212212120343. The reversal of 212212120310 is 13021212212.

It is a super-2 number, since 2×212212120310² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556927 + ... + 1687733.

It is an arithmetic number, because the mean of its divisors is an integer number (12166223166).

Almost surely, 2^212212120310 is an apocalyptic number.

212212120310 is a deficient number, since it is larger than the sum of its proper divisors (177107021002).

212212120310 is a wasteful number, since it uses less digits than its factorization.

212212120310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133928.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212212120310 its reverse (13021212212), we get a palindrome (225233332522).

The spelling of 212212120310 in words is "two hundred twelve billion, two hundred twelve million, one hundred twenty thousand, three hundred ten".