2012020120312 has 8 divisors (see below), whose sum is σ = 3772537725600. Its totient is φ = 1006010060152.

The previous prime is 2012020120309. The next prime is 2012020120337. The reversal of 2012020120312 is 2130210202102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2012020120312³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125751257512 + ... + 125751257527.

It is an arithmetic number, because the mean of its divisors is an integer number (471567215700).

Almost surely, 2^{2012020120312} is an apocalyptic number.

It is an amenable number.

2012020120312 is a deficient number, since it is larger than the sum of its proper divisors (1760517605288).

2012020120312 is a wasteful number, since it uses less digits than its factorization.

2012020120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251502515045 (or 251502515041 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2012020120312 its reverse (2130210202102), we get a palindrome (4142230322414).

The spelling of 2012020120312 in words is "two trillion, twelve billion, twenty million, one hundred twenty thousand, three hundred twelve".