212511012 has 24 divisors (see below), whose sum is σ = 566696256. Its totient is φ = 60717408.

The previous prime is 212511011. The next prime is 212511041. The reversal of 212511012 is 210115212.

It is a junction number, because it is equal to n+sod(n) for n = 212510982 and 212511000.

It is not an unprimeable number, because it can be changed into a prime (212511011) 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, 1264863 + ... + 1265030.

It is an arithmetic number, because the mean of its divisors is an integer number (23612344).

Almost surely, 2^212511012 is an apocalyptic number.

It is an amenable number.

212511012 is an abundant number, since it is smaller than the sum of its proper divisors (354185244).

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

212511012 is a wasteful number, since it uses less digits than its factorization.

212511012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529907 (or 2529905 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 212511012 is about 14577.7574407040. The cubic root of 212511012 is about 596.7519037361.

Adding to 212511012 its reverse (210115212), we get a palindrome (422626224).

The spelling of 212511012 in words is "two hundred twelve million, five hundred eleven thousand, twelve".