20002100012 has 12 divisors (see below), whose sum is σ = 35748434400. Its totient is φ = 9788261616.

The previous prime is 20002100003. The next prime is 20002100021. The reversal of 20002100012 is 21000120002.

It is an interprime number because it is at equal distance from previous prime (20002100003) and next prime (20002100021).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53196887 + ... + 53197262.

It is an arithmetic number, because the mean of its divisors is an integer number (2979036200).

Almost surely, 2^20002100012 is an apocalyptic number.

It is an amenable number.

20002100012 is a deficient number, since it is larger than the sum of its proper divisors (15746334388).

20002100012 is a wasteful number, since it uses less digits than its factorization.

20002100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106394200 (or 106394198 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20002100012 its reverse (21000120002), we get a palindrome (41002220014).

It can be divided in two parts, 2000 and 2100012, that added together give a palindrome (2102012).

The spelling of 20002100012 in words is "twenty billion, two million, one hundred thousand, twelve".