20012222200012 has 48 divisors (see below), whose sum is σ = 40345417842688. Its totient is φ = 8507906124480.

The previous prime is 20012222199979. The next prime is 20012222200073. The reversal of 20012222200012 is 21000222221002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24457498 + ... + 25262494.

Almost surely, 2^{20012222200012} is an apocalyptic number.

It is an amenable number.

20012222200012 is an abundant number, since it is smaller than the sum of its proper divisors (20333195642676).

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

20012222200012 is a wasteful number, since it uses less digits than its factorization.

20012222200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812126 (or 812124 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20012222200012 its reverse (21000222221002), we get a palindrome (41012444421014).

The spelling of 20012222200012 in words is "twenty trillion, twelve billion, two hundred twenty-two million, two hundred thousand, twelve".