2123130203213 has 8 divisors (see below), whose sum is σ = 2183938415736. Its totient is φ = 2062751731200.

The previous prime is 2123130203203. The next prime is 2123130203231. The reversal of 2123130203213 is 3123020313212.

It can be written as a sum of positive squares in 4 ways, for example, as 608490483364 + 1514639719849 = 780058^2 + 1230707^2 .

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 2123130203213 - 2¹⁰ = 2123130202189 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 (2123130203203) 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, 107425106 + ... + 107444867.

It is an arithmetic number, because the mean of its divisors is an integer number (272992301967).

Almost surely, 2^{2123130203213} is an apocalyptic number.

It is an amenable number.

2123130203213 is a deficient number, since it is larger than the sum of its proper divisors (60808212523).

2123130203213 is a wasteful number, since it uses less digits than its factorization.

2123130203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214870255.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2123130203213 its reverse (3123020313212), we get a palindrome (5246150516425).

The spelling of 2123130203213 in words is "two trillion, one hundred twenty-three billion, one hundred thirty million, two hundred three thousand, two hundred thirteen".