212223010042 has 8 divisors (see below), whose sum is σ = 320658125076. Its totient is φ = 105336968352.

The previous prime is 212223009979. The next prime is 212223010049. The reversal of 212223010042 is 240010322212.

It can be written as a sum of positive squares in 2 ways, for example, as 207964272961 + 4258737081 = 456031^2 + 65259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212223010049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387267993 + ... + 387268540.

Almost surely, 2^212223010042 is an apocalyptic number.

212223010042 is a deficient number, since it is larger than the sum of its proper divisors (108435115034).

212223010042 is a wasteful number, since it uses less digits than its factorization.

212223010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774536672.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212223010042 its reverse (240010322212), we get a palindrome (452233332254).

The spelling of 212223010042 in words is "two hundred twelve billion, two hundred twenty-three million, ten thousand, forty-two".