2012122120012 has 48 divisors (see below), whose sum is σ = 3568074753600. Its totient is φ = 992720706560.

The previous prime is 2012122119937. The next prime is 2012122120031. The reversal of 2012122120012 is 2100212212102.

It is a happy number.

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, 721447914 + ... + 721450702.

It is an arithmetic number, because the mean of its divisors is an integer number (74334890700).

Almost surely, 2^{2012122120012} is an apocalyptic number.

It is an amenable number.

2012122120012 is a deficient number, since it is larger than the sum of its proper divisors (1555952633588).

2012122120012 is a wasteful number, since it uses less digits than its factorization.

2012122120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012122120012 its reverse (2100212212102), we get a palindrome (4112334332114).

The spelling of 2012122120012 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred twenty thousand, twelve".