20001212012095 has 32 divisors (see below), whose sum is σ = 24561501094656. Its totient is φ = 15629007398400.

The previous prime is 20001212012077. The next prime is 20001212012099. The reversal of 20001212012095 is 59021021210002.

It is not a de Polignac number, because 20001212012095 - 2²¹ = 20001209914943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001212012099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246337405 + ... + 246418585.

It is an arithmetic number, because the mean of its divisors is an integer number (767546909208).

Almost surely, 2^{20001212012095} is an apocalyptic number.

20001212012095 is a deficient number, since it is larger than the sum of its proper divisors (4560289082561).

20001212012095 is a wasteful number, since it uses less digits than its factorization.

20001212012095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83331.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 20001212012095 its reverse (59021021210002), we get a palindrome (79022233222097).

The spelling of 20001212012095 in words is "twenty trillion, one billion, two hundred twelve million, twelve thousand, ninety-five".