200120000100012 has 96 divisors (see below), whose sum is σ = 525407913676800. Its totient is φ = 65860922140416.

The previous prime is 200120000100011. The next prime is 200120000100029. The reversal of 200120000100012 is 210001000021002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200120000099967 and 200120000100003.

It is not an unprimeable number, because it can be changed into a prime (200120000100011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467057908 + ... + 467486180.

It is an arithmetic number, because the mean of its divisors is an integer number (5472999100800).

Almost surely, 2^{200120000100012} is an apocalyptic number.

It is an amenable number.

200120000100012 is an abundant number, since it is smaller than the sum of its proper divisors (325287913576788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200120000100012 is a wasteful number, since it uses less digits than its factorization.

200120000100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483132 (or 483124 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200120000100012 its reverse (210001000021002), we get a palindrome (410121000121014).

The spelling of 200120000100012 in words is "two hundred trillion, one hundred twenty billion, one hundred thousand, twelve".