12125000453140 has 24 divisors (see below), whose sum is σ = 25462989993672. Its totient is φ = 4849907030400.

The previous prime is 12125000453123. The next prime is 12125000453143. The reversal of 12125000453140 is 4135400052121.

It can be written as a sum of positive squares in 4 ways, for example, as 2689376964624 + 9435623488516 = 1639932^2 + 3071746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12125000453099 and 12125000453108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125000453143) 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, 4749759 + ... + 6841798.

It is an arithmetic number, because the mean of its divisors is an integer number (1060957916403).

Almost surely, 2^{12125000453140} is an apocalyptic number.

12125000453140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12125000453140 is an abundant number, since it is smaller than the sum of its proper divisors (13337989540532).

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

12125000453140 is a wasteful number, since it uses less digits than its factorization.

12125000453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643867 (or 11643865 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 12125000453140 in words is "twelve trillion, one hundred twenty-five billion, four hundred fifty-three thousand, one hundred forty".