200100121121012 has 96 divisors (see below), whose sum is σ = 404374126141440. Its totient is φ = 84864563124480.

The previous prime is 200100121121011. The next prime is 200100121121053. The reversal of 200100121121012 is 210121121001002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100121121011) 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, 12671774837 + ... + 12671790627.

It is an arithmetic number, because the mean of its divisors is an integer number (4212230480640).

Almost surely, 2^{200100121121012} is an apocalyptic number.

It is an amenable number.

200100121121012 is an abundant number, since it is smaller than the sum of its proper divisors (204274005020428).

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

200100121121012 is a wasteful number, since it uses less digits than its factorization.

200100121121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20181 (or 20179 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200100121121012 its reverse (210121121001002), we get a palindrome (410221242122014).

The spelling of 200100121121012 in words is "two hundred trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, twelve".