212213103012 has 30 divisors (see below), whose sum is σ = 554766970758. Its totient is φ = 70737700896.

The previous prime is 212213103007. The next prime is 212213103029. The reversal of 212213103012 is 210301312212.

212213103012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 191822976576 + 20390126436 = 437976^2 + 142794^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 327489033 + ... + 327489680.

Almost surely, 2^212213103012 is an apocalyptic number.

It is an amenable number.

212213103012 is an abundant number, since it is smaller than the sum of its proper divisors (342553867746).

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

212213103012 is a wasteful number, since it uses less digits than its factorization.

212213103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654978729 (or 654978718 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212213103012 its reverse (210301312212), we get a palindrome (422514415224).

The spelling of 212213103012 in words is "two hundred twelve billion, two hundred thirteen million, one hundred three thousand, twelve".