212120313213031 has 8 divisors (see below), whose sum is σ = 215625029369760. Its totient is φ = 208631785122432.

The previous prime is 212120313212851. The next prime is 212120313213073. The reversal of 212120313213031 is 130312313021212.

212120313213031 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 212120313213031 - 2²⁹ = 212119776342119 is a prime.

It is a super-3 number, since 3×212120313213031³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212120313212987 and 212120313213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120313213131) 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, 4046990110 + ... + 4047042523.

It is an arithmetic number, because the mean of its divisors is an integer number (26953128671220).

Almost surely, 2^{212120313213031} is an apocalyptic number.

212120313213031 is a deficient number, since it is larger than the sum of its proper divisors (3504716156729).

212120313213031 is an equidigital number, since it uses as much as digits as its factorization.

212120313213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094033065.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 212120313213031 its reverse (130312313021212), we get a palindrome (342432626234243).

The spelling of 212120313213031 in words is "two hundred twelve trillion, one hundred twenty billion, three hundred thirteen million, two hundred thirteen thousand, thirty-one".