12125502354 has 16 divisors (see below), whose sum is σ = 27715434048. Its totient is φ = 3464429232.

The previous prime is 12125502329. The next prime is 12125502413. The reversal of 12125502354 is 45320552121.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144351177 + ... + 144351260.

It is an arithmetic number, because the mean of its divisors is an integer number (1732214628).

Almost surely, 2^12125502354 is an apocalyptic number.

12125502354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12125502354 is an abundant number, since it is smaller than the sum of its proper divisors (15589931694).

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

12125502354 is a wasteful number, since it uses less digits than its factorization.

12125502354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288702449.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 12125502354 in words is "twelve billion, one hundred twenty-five million, five hundred two thousand, three hundred fifty-four".