10212031213 has 4 divisors (see below), whose sum is σ = 10749506560. Its totient is φ = 9674555868.

The previous prime is 10212031187. The next prime is 10212031231. The reversal of 10212031213 is 31213021201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31213021201 = 2089 ⋅14941609.

It is a cyclic number.

It is not a de Polignac number, because 10212031213 - 2²⁹ = 9675160301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212031273) 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 3 ways as a sum of consecutive naturals, for example, 268737645 + ... + 268737682.

It is an arithmetic number, because the mean of its divisors is an integer number (2687376640).

Almost surely, 2^10212031213 is an apocalyptic number.

It is an amenable number.

10212031213 is a deficient number, since it is larger than the sum of its proper divisors (537475347).

10212031213 is an equidigital number, since it uses as much as digits as its factorization.

10212031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537475346.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10212031213 its reverse (31213021201), we get a palindrome (41425052414).

The spelling of 10212031213 in words is "ten billion, two hundred twelve million, thirty-one thousand, two hundred thirteen".