10123100003213 has 4 divisors (see below), whose sum is σ = 10123107002268. Its totient is φ = 10123093004160.

The previous prime is 10123100003179. The next prime is 10123100003257. The reversal of 10123100003213 is 31230000132101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7236030060169 + 2887069943044 = 2689987^2 + 1699138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10123100003213 is a prime.

It is a super-2 number, since 2×10123100003213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123100003191 and 10123100003200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123100003293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436118 + ... + 4520663.

It is an arithmetic number, because the mean of its divisors is an integer number (2530776750567).

Almost surely, 2^{10123100003213} is an apocalyptic number.

It is an amenable number.

10123100003213 is a deficient number, since it is larger than the sum of its proper divisors (6999055).

10123100003213 is an equidigital number, since it uses as much as digits as its factorization.

10123100003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999054.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10123100003213 its reverse (31230000132101), we get a palindrome (41353100135314).

The spelling of 10123100003213 in words is "ten trillion, one hundred twenty-three billion, one hundred million, three thousand, two hundred thirteen".