20121200011162 has 32 divisors (see below), whose sum is σ = 33302916025344. Its totient is φ = 9085616918400.

The previous prime is 20121200011141. The next prime is 20121200011163. The reversal of 20121200011162 is 26111000212102.

It is not an unprimeable number, because it can be changed into a prime (20121200011163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172017613 + ... + 172134544.

It is an arithmetic number, because the mean of its divisors is an integer number (1040716125792).

Almost surely, 2^{20121200011162} is an apocalyptic number.

20121200011162 is a deficient number, since it is larger than the sum of its proper divisors (13181716014182).

20121200011162 is a wasteful number, since it uses less digits than its factorization.

20121200011162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344152254.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 20121200011162 its reverse (26111000212102), we get a palindrome (46232200223264).

The spelling of 20121200011162 in words is "twenty trillion, one hundred twenty-one billion, two hundred million, eleven thousand, one hundred sixty-two".