212012010120121 has 8 divisors (see below), whose sum is σ = 217165405167360. Its totient is φ = 206885385956928.

The previous prime is 212012010120101. The next prime is 212012010120149. The reversal of 212012010120121 is 121021010210212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212012010120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212012010120095 and 212012010120104.

It is not an unprimeable number, because it can be changed into a prime (212012010120101) 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, 6692704981 + ... + 6692736658.

It is an arithmetic number, because the mean of its divisors is an integer number (27145675645920).

Almost surely, 2^{212012010120121} is an apocalyptic number.

It is an amenable number.

212012010120121 is a deficient number, since it is larger than the sum of its proper divisors (5153395047239).

212012010120121 is a wasteful number, since it uses less digits than its factorization.

212012010120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13385442023.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212012010120121 its reverse (121021010210212), we get a palindrome (333033020330333).

Subtracting from 212012010120121 its reverse (121021010210212), we obtain a palindrome (90990999909909).

The spelling of 212012010120121 in words is "two hundred twelve trillion, twelve billion, ten million, one hundred twenty thousand, one hundred twenty-one".