2103120123132 has 24 divisors (see below), whose sum is σ = 5608320328576. Its totient is φ = 600891463728.

The previous prime is 2103120123031. The next prime is 2103120123187. The reversal of 2103120123132 is 2313210213012.

It is a super-2 number, since 2×2103120123132² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2103120123099 and 2103120123108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12518572078 + ... + 12518572245.

Almost surely, 2^{2103120123132} is an apocalyptic number.

It is an amenable number.

2103120123132 is an abundant number, since it is smaller than the sum of its proper divisors (3505200205444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103120123132 is a wasteful number, since it uses less digits than its factorization.

2103120123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25037144337 (or 25037144335 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2103120123132 its reverse (2313210213012), we get a palindrome (4416330336144).

The spelling of 2103120123132 in words is "two trillion, one hundred three billion, one hundred twenty million, one hundred twenty-three thousand, one hundred thirty-two".