20012120200012 has 12 divisors (see below), whose sum is σ = 35082543471976. Its totient is φ = 9988536350880.

The previous prime is 20012120199989. The next prime is 20012120200031. The reversal of 20012120200012 is 21000202121002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20012120199965 and 20012120200001.

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, 4380934713 + ... + 4380939280.

Almost surely, 2^{20012120200012} is an apocalyptic number.

It is an amenable number.

20012120200012 is a deficient number, since it is larger than the sum of its proper divisors (15070423271964).

20012120200012 is a wasteful number, since it uses less digits than its factorization.

20012120200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761874568 (or 8761874566 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20012120200012 its reverse (21000202121002), we get a palindrome (41012322321014).

The spelling of 20012120200012 in words is "twenty trillion, twelve billion, one hundred twenty million, two hundred thousand, twelve".