212200010012121 has 8 divisors (see below), whose sum is σ = 290580193890624. Its totient is φ = 137643249737520.

The previous prime is 212200010012119. The next prime is 212200010012171. The reversal of 212200010012121 is 121210010002212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212200010012121 - 2¹ = 212200010012119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212200010012121.

It is not an unprimeable number, because it can be changed into a prime (212200010012101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955855900845 + ... + 955855901066.

It is an arithmetic number, because the mean of its divisors is an integer number (36322524236328).

Almost surely, 2^{212200010012121} is an apocalyptic number.

It is an amenable number.

212200010012121 is a deficient number, since it is larger than the sum of its proper divisors (78380183878503).

212200010012121 is a wasteful number, since it uses less digits than its factorization.

212200010012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911711801951.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212200010012121 its reverse (121210010002212), we get a palindrome (333410020014333).

Subtracting from 212200010012121 its reverse (121210010002212), we obtain a palindrome (90990000009909).

The spelling of 212200010012121 in words is "two hundred twelve trillion, two hundred billion, ten million, twelve thousand, one hundred twenty-one".