200212122021121 has 16 divisors (see below), whose sum is σ = 232184284904448. Its totient is φ = 169085644030800.

The previous prime is 200212122021097. The next prime is 200212122021199. The reversal of 200212122021121 is 121120221212002.

It is not a de Polignac number, because 200212122021121 - 2¹⁵ = 200212121988353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200212122021521) 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, 127430955 + ... + 128992528.

It is an arithmetic number, because the mean of its divisors is an integer number (14511517806528).

Almost surely, 2^{200212122021121} is an apocalyptic number.

It is an amenable number.

200212122021121 is a deficient number, since it is larger than the sum of its proper divisors (31972162883327).

200212122021121 is a wasteful number, since it uses less digits than its factorization.

200212122021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256425132.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200212122021121 its reverse (121120221212002), we get a palindrome (321332343233123).

The spelling of 200212122021121 in words is "two hundred trillion, two hundred twelve billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-one".