20120120201012 has 12 divisors (see below), whose sum is σ = 37918688071236. Its totient is φ = 9286209323520.

The previous prime is 20120120200981. The next prime is 20120120201141. The reversal of 20120120201012 is 21010202102102.

It can be written as a sum of positive squares in 2 ways, for example, as 1350118506916 + 18770001694096 = 1161946^2 + 4332436^2 .

It is a congruent number.

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, 193462694189 + ... + 193462694292.

It is an arithmetic number, because the mean of its divisors is an integer number (3159890672603).

Almost surely, 2^{20120120201012} is an apocalyptic number.

It is an amenable number.

20120120201012 is a deficient number, since it is larger than the sum of its proper divisors (17798567870224).

20120120201012 is a wasteful number, since it uses less digits than its factorization.

20120120201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386925388498 (or 386925388496 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120120201012 its reverse (21010202102102), we get a palindrome (41130322303114).

The spelling of 20120120201012 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, two hundred one thousand, twelve".