212234110042 has 12 divisors (see below), whose sum is σ = 335988349866. Its totient is φ = 100531946520.

The previous prime is 212234110037. The next prime is 212234110057. The reversal of 212234110042 is 240011432212.

It can be written as a sum of positive squares in only one way, i.e., 177130715161 + 35103394881 = 420869^2 + 187359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212234109995 and 212234110022.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146975809 + ... + 146977252.

Almost surely, 2^212234110042 is an apocalyptic number.

212234110042 is a deficient number, since it is larger than the sum of its proper divisors (123754239824).

212234110042 is a wasteful number, since it uses less digits than its factorization.

212234110042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293953101 (or 293953082 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212234110042 its reverse (240011432212), we get a palindrome (452245542254).

The spelling of 212234110042 in words is "two hundred twelve billion, two hundred thirty-four million, one hundred ten thousand, forty-two".