212203412033442 has 16 divisors (see below), whose sum is σ = 449371931365152. Its totient is φ = 66573619461440.

The previous prime is 212203412033387. The next prime is 212203412033447. The reversal of 212203412033442 is 244330214302212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212203412033447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040212803984 + ... + 1040212804187.

It is an arithmetic number, because the mean of its divisors is an integer number (28085745710322).

Almost surely, 2^{212203412033442} is an apocalyptic number.

212203412033442 is an abundant number, since it is smaller than the sum of its proper divisors (237168519331710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212203412033442 is a wasteful number, since it uses less digits than its factorization.

212203412033442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080425608193.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 212203412033442 its reverse (244330214302212), we get a palindrome (456533626335654).

The spelling of 212203412033442 in words is "two hundred twelve trillion, two hundred three billion, four hundred twelve million, thirty-three thousand, four hundred forty-two".