12575433390 has 64 divisors (see below), whose sum is σ = 32515560000. Its totient is φ = 3094262784.

The previous prime is 12575433359. The next prime is 12575433391. The reversal of 12575433390 is 9333457521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12575433391) 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, 1340436 + ... + 1349784.

It is an arithmetic number, because the mean of its divisors is an integer number (508055625).

Almost surely, 2^12575433390 is an apocalyptic number.

12575433390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12575433390 is an abundant number, since it is smaller than the sum of its proper divisors (19940126610).

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

12575433390 is a wasteful number, since it uses less digits than its factorization.

12575433390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821.

The product of its (nonzero) digits is 340200, while the sum is 42.

The spelling of 12575433390 in words is "twelve billion, five hundred seventy-five million, four hundred thirty-three thousand, three hundred ninety".