2012122220312 has 8 divisors (see below), whose sum is σ = 3772729163100. Its totient is φ = 1006061110152.

The previous prime is 2012122220299. The next prime is 2012122220359. The reversal of 2012122220312 is 2130222212102.

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

It is a super-3 number, since 3×2012122220312³ (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, 125757638762 + ... + 125757638777.

Almost surely, 2^{2012122220312} is an apocalyptic number.

It is an amenable number.

2012122220312 is a deficient number, since it is larger than the sum of its proper divisors (1760606942788).

2012122220312 is a wasteful number, since it uses less digits than its factorization.

2012122220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251515277545 (or 251515277541 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2012122220312 its reverse (2130222212102), we get a palindrome (4142344432414).

The spelling of 2012122220312 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, three hundred twelve".