212012000202121 has 24 divisors (see below), whose sum is σ = 248305673378880. Its totient is φ = 180487515852000.

The previous prime is 212012000202109. The next prime is 212012000202131. The reversal of 212012000202121 is 121202000210212.

It is a happy number.

It is not a de Polignac number, because 212012000202121 - 2¹¹ = 212012000200073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212012000202095 and 212012000202104.

It is not an unprimeable number, because it can be changed into a prime (212012000202131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37151490 + ... + 42476548.

It is an arithmetic number, because the mean of its divisors is an integer number (10346069724120).

Almost surely, 2^{212012000202121} is an apocalyptic number.

It is an amenable number.

212012000202121 is a deficient number, since it is larger than the sum of its proper divisors (36293673176759).

212012000202121 is a wasteful number, since it uses less digits than its factorization.

212012000202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330605 (or 5330598 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212012000202121 its reverse (121202000210212), we get a palindrome (333214000412333).

The spelling of 212012000202121 in words is "two hundred twelve trillion, twelve billion, two hundred two thousand, one hundred twenty-one".