12120200020012 has 48 divisors (see below), whose sum is σ = 24251110014208. Its totient is φ = 5192077060800.

The previous prime is 12120200019913. The next prime is 12120200020079. The reversal of 12120200020012 is 21002000202121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12120200019974 and 12120200020001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817433743 + ... + 817448569.

Almost surely, 2^{12120200020012} is an apocalyptic number.

It is an amenable number.

12120200020012 is an abundant number, since it is smaller than the sum of its proper divisors (12130909994196).

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

12120200020012 is a wasteful number, since it uses less digits than its factorization.

12120200020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25766 (or 25764 counting only the distinct ones).

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

Adding to 12120200020012 its reverse (21002000202121), we get a palindrome (33122200222133).

The spelling of 12120200020012 in words is "twelve trillion, one hundred twenty billion, two hundred million, twenty thousand, twelve".