212010010121231 has 16 divisors (see below), whose sum is σ = 242666552609280. Its totient is φ = 181445823614880.

The previous prime is 212010010121227. The next prime is 212010010121279. The reversal of 212010010121231 is 132121010010212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212010010121231 - 2² = 212010010121227 is a prime.

It is a super-2 number, since 2×212010010121231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010010126231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494259230 + ... + 494687988.

It is an arithmetic number, because the mean of its divisors is an integer number (15166659538080).

Almost surely, 2^{212010010121231} is an apocalyptic number.

212010010121231 is a deficient number, since it is larger than the sum of its proper divisors (30656542488049).

212010010121231 is a wasteful number, since it uses less digits than its factorization.

212010010121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536294.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212010010121231 its reverse (132121010010212), we get a palindrome (344131020131443).

The spelling of 212010010121231 in words is "two hundred twelve trillion, ten billion, ten million, one hundred twenty-one thousand, two hundred thirty-one".