2125103412 has 96 divisors (see below), whose sum is σ = 5421427200. Its totient is φ = 645321600.

The previous prime is 2125103389. The next prime is 2125103417. The reversal of 2125103412 is 2143015212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125103417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2188087 + ... + 2189057.

It is an arithmetic number, because the mean of its divisors is an integer number (56473200).

Almost surely, 2^2125103412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125103412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710713600).

2125103412 is an abundant number, since it is smaller than the sum of its proper divisors (3296323788).

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

2125103412 is a wasteful number, since it uses less digits than its factorization.

2125103412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2125103412 is about 46098.8439334437. The cubic root of 2125103412 is about 1285.6616500004.

Adding to 2125103412 its reverse (2143015212), we get a palindrome (4268118624).

The spelling of 2125103412 in words is "two billion, one hundred twenty-five million, one hundred three thousand, four hundred twelve".