212224031342 has 16 divisors (see below), whose sum is σ = 324073386000. Its totient is φ = 104215573440.

The previous prime is 212224031339. The next prime is 212224031389. The reversal of 212224031342 is 243130422212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974384 + ... + 4027427.

It is an arithmetic number, because the mean of its divisors is an integer number (20254586625).

Almost surely, 2^212224031342 is an apocalyptic number.

212224031342 is a deficient number, since it is larger than the sum of its proper divisors (111849354658).

212224031342 is a wasteful number, since it uses less digits than its factorization.

212224031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002051.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212224031342 its reverse (243130422212), we get a palindrome (455354453554).

The spelling of 212224031342 in words is "two hundred twelve billion, two hundred twenty-four million, thirty-one thousand, three hundred forty-two".