212012121313 has 8 divisors (see below), whose sum is σ = 212538126528. Its totient is φ = 211486531824.

The previous prime is 212012121283. The next prime is 212012121329. The reversal of 212012121313 is 313121210212.

212012121313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212012121313 - 2¹³ = 212012113121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930006 + ... + 1135312.

It is an arithmetic number, because the mean of its divisors is an integer number (26567265816).

Almost surely, 2^212012121313 is an apocalyptic number.

It is an amenable number.

212012121313 is a deficient number, since it is larger than the sum of its proper divisors (526005215).

212012121313 is a wasteful number, since it uses less digits than its factorization.

212012121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207863.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212012121313 its reverse (313121210212), we get a palindrome (525133331525).

The spelling of 212012121313 in words is "two hundred twelve billion, twelve million, one hundred twenty-one thousand, three hundred thirteen".