22012420052042 has 16 divisors (see below), whose sum is σ = 37755724408512. Its totient is φ = 9428857513920.

The previous prime is 22012420052009. The next prime is 22012420052057. The reversal of 22012420052042 is 24025002421022.

It is a happy 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, 419705684 + ... + 419758127.

It is an arithmetic number, because the mean of its divisors is an integer number (2359732775532).

Almost surely, 2^{22012420052042} is an apocalyptic number.

22012420052042 is a deficient number, since it is larger than the sum of its proper divisors (15743304356470).

22012420052042 is a wasteful number, since it uses less digits than its factorization.

22012420052042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839465693.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22012420052042 its reverse (24025002421022), we get a palindrome (46037422473064).

The spelling of 22012420052042 in words is "twenty-two trillion, twelve billion, four hundred twenty million, fifty-two thousand, forty-two".