2212404202042 has 4 divisors (see below), whose sum is σ = 3318606303066. Its totient is φ = 1106202101020.

The previous prime is 2212404202039. The next prime is 2212404202049. The reversal of 2212404202042 is 2402024042122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2164373534761 + 48030667281 = 1471181^2 + 219159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2212404201998 and 2212404202016.

It is not an unprimeable number, because it can be changed into a prime (2212404202049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553101050509 + ... + 553101050512.

Almost surely, 2^{2212404202042} is an apocalyptic number.

2212404202042 is a deficient number, since it is larger than the sum of its proper divisors (1106202101024).

2212404202042 is a wasteful number, since it uses less digits than its factorization.

2212404202042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106202101023.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 2212404202042 its reverse (2402024042122), we get a palindrome (4614428244164).

The spelling of 2212404202042 in words is "two trillion, two hundred twelve billion, four hundred four million, two hundred two thousand, forty-two".