20142242212012 has 12 divisors (see below), whose sum is σ = 35250670997640. Its totient is φ = 10070621926976.

The previous prime is 20142242212003. The next prime is 20142242212019. The reversal of 20142242212012 is 21021224224102.

It is not an unprimeable number, because it can be changed into a prime (20142242212019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124703962 + ... + 124865377.

It is an arithmetic number, because the mean of its divisors is an integer number (2937555916470).

Almost surely, 2^{20142242212012} is an apocalyptic number.

It is an amenable number.

20142242212012 is a deficient number, since it is larger than the sum of its proper divisors (15108428785628).

20142242212012 is a wasteful number, since it uses less digits than its factorization.

20142242212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249589520 (or 249589518 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 20142242212012 its reverse (21021224224102), we get a palindrome (41163466436114).

The spelling of 20142242212012 in words is "twenty trillion, one hundred forty-two billion, two hundred forty-two million, two hundred twelve thousand, twelve".