1200202020012 has 24 divisors (see below), whose sum is σ = 2865598622656. Its totient is φ = 390763448208.

The previous prime is 1200202020001. The next prime is 1200202020019. The reversal of 1200202020012 is 2100202020021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1200202020012.

It is not an unprimeable number, because it can be changed into a prime (1200202020019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162985938 + ... + 1162986969.

Almost surely, 2^{1200202020012} is an apocalyptic number.

1200202020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200202020012 is an abundant number, since it is smaller than the sum of its proper divisors (1665396602644).

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

1200202020012 is a wasteful number, since it uses less digits than its factorization.

1200202020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325972957 (or 2325972955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1200202020012 its reverse (2100202020021), we get a palindrome (3300404040033).

Subtracting 1200202020012 from its reverse (2100202020021), we obtain a palindrome (900000000009).

The spelling of 1200202020012 in words is "one trillion, two hundred billion, two hundred two million, twenty thousand, twelve".