20120001212012 has 24 divisors (see below), whose sum is σ = 37921560155472. Its totient is φ = 9285396120000.

The previous prime is 20120001212011. The next prime is 20120001212021. The reversal of 20120001212012 is 21021210002102.

It is not an unprimeable number, because it can be changed into a prime (20120001212011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15154439 + ... + 16428542.

It is an arithmetic number, because the mean of its divisors is an integer number (1580065006478).

Almost surely, 2^{20120001212012} is an apocalyptic number.

It is an amenable number.

20120001212012 is a deficient number, since it is larger than the sum of its proper divisors (17801558943460).

20120001212012 is a wasteful number, since it uses less digits than its factorization.

20120001212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31595249 (or 31595247 counting only the distinct ones).

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

Adding to 20120001212012 its reverse (21021210002102), we get a palindrome (41141211214114).

The spelling of 20120001212012 in words is "twenty trillion, one hundred twenty billion, one million, two hundred twelve thousand, twelve".