212012122010 has 128 divisors (see below), whose sum is σ = 432926097408. Its totient is φ = 74216736000.

The previous prime is 212012121991. The next prime is 212012122043. The reversal of 212012122010 is 10221210212.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51569855 + ... + 51573965.

It is an arithmetic number, because the mean of its divisors is an integer number (3382235136).

Almost surely, 2^212012122010 is an apocalyptic number.

212012122010 is an abundant number, since it is smaller than the sum of its proper divisors (220913975398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012122010 is a wasteful number, since it uses less digits than its factorization.

212012122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212012122010 its reverse (10221210212), we get a palindrome (222233332222).

The spelling of 212012122010 in words is "two hundred twelve billion, twelve million, one hundred twenty-two thousand, ten".