200012201002121 has 16 divisors (see below), whose sum is σ = 210107317564800. Its totient is φ = 190137655209600.

The previous prime is 200012201002099. The next prime is 200012201002127. The reversal of 200012201002121 is 121200102210002.

It is a cyclic number.

It is not a de Polignac number, because 200012201002121 - 2²² = 200012196807817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200012201002096 and 200012201002105.

It is not an unprimeable number, because it can be changed into a prime (200012201002127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64202660 + ... + 67245861.

It is an arithmetic number, because the mean of its divisors is an integer number (13131707347800).

Almost surely, 2^{200012201002121} is an apocalyptic number.

It is an amenable number.

200012201002121 is a deficient number, since it is larger than the sum of its proper divisors (10095116562679).

200012201002121 is a wasteful number, since it uses less digits than its factorization.

200012201002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131449360.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200012201002121 its reverse (121200102210002), we get a palindrome (321212303212123).

The spelling of 200012201002121 in words is "two hundred trillion, twelve billion, two hundred one million, two thousand, one hundred twenty-one".