22012120202012 has 12 divisors (see below), whose sum is σ = 38560397756496. Its totient is φ = 10994863700160.

The previous prime is 22012120201993. The next prime is 22012120202077. The reversal of 22012120202012 is 21020202121022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2799095789 + ... + 2799103652.

It is an arithmetic number, because the mean of its divisors is an integer number (3213366479708).

Almost surely, 2^{22012120202012} is an apocalyptic number.

It is an amenable number.

22012120202012 is a deficient number, since it is larger than the sum of its proper divisors (16548277554484).

22012120202012 is a wasteful number, since it uses less digits than its factorization.

22012120202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598200428 (or 5598200426 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012120202012 its reverse (21020202121022), we get a palindrome (43032322323034).

The spelling of 22012120202012 in words is "twenty-two trillion, twelve billion, one hundred twenty million, two hundred two thousand, twelve".