12120012000002 has 4 divisors (see below), whose sum is σ = 18180018000006. Its totient is φ = 6060006000000.

The previous prime is 12120011999987. The next prime is 12120012000029. The reversal of 12120012000002 is 20000021002121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12052624512721 + 67387487281 = 3471689^2 + 259591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030002999999 + ... + 3030003000002.

Almost surely, 2^{12120012000002} is an apocalyptic number.

12120012000002 is a deficient number, since it is larger than the sum of its proper divisors (6060006000004).

12120012000002 is an equidigital number, since it uses as much as digits as its factorization.

12120012000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060006000003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12120012000002 its reverse (20000021002121), we get a palindrome (32120033002123).

The spelling of 12120012000002 in words is "twelve trillion, one hundred twenty billion, twelve million, two", and thus it is an aban number.