1250345012540 has 192 divisors, whose sum is σ = 3119608598400. Its totient is φ = 416501858304.

The previous prime is 1250345012533. The next prime is 1250345012561. The reversal of 1250345012540 is 452105430521.

It is a junction number, because it is equal to n+sod(n) for n = 1250345012497 and 1250345012506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17781932 + ... + 17852108.

It is an arithmetic number, because the mean of its divisors is an integer number (16247961450).

Almost surely, 2^{1250345012540} is an apocalyptic number.

1250345012540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1250345012540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559804299200).

1250345012540 is an abundant number, since it is smaller than the sum of its proper divisors (1869263585860).

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

1250345012540 is a wasteful number, since it uses less digits than its factorization.

1250345012540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70384 (or 70382 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 1250345012540 in words is "one trillion, two hundred fifty billion, three hundred forty-five million, twelve thousand, five hundred forty".