212213103142 has 16 divisors (see below), whose sum is σ = 324340183152. Its totient is φ = 104099887840.

The previous prime is 212213103131. The next prime is 212213103143. The reversal of 212213103142 is 241301312212.

212213103142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212213103142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213103143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4707393 + ... + 4752259.

It is an arithmetic number, because the mean of its divisors is an integer number (20271261447).

Almost surely, 2^212213103142 is an apocalyptic number.

212213103142 is a deficient number, since it is larger than the sum of its proper divisors (112127080010).

212213103142 is a wasteful number, since it uses less digits than its factorization.

212213103142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89543.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212213103142 its reverse (241301312212), we get a palindrome (453514415354).

The spelling of 212213103142 in words is "two hundred twelve billion, two hundred thirteen million, one hundred three thousand, one hundred forty-two".