20012144121002 has 64 divisors (see below), whose sum is σ = 34003045956096. Its totient is φ = 8754264000000.

The previous prime is 20012144120987. The next prime is 20012144121029.

20012144121002 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×20012144121002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24283352 + ... + 25093932.

It is an arithmetic number, because the mean of its divisors is an integer number (531297593064).

Almost surely, 2^{20012144121002} is an apocalyptic number.

20012144121002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012144121002 is a deficient number, since it is larger than the sum of its proper divisors (13990901835094).

20012144121002 is a wasteful number, since it uses less digits than its factorization.

20012144121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811007.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2001214 and 4121002, that added together give a palindrome (6122216).

The spelling of 20012144121002 in words is "twenty trillion, twelve billion, one hundred forty-four million, one hundred twenty-one thousand, two".