12355570146 has 32 divisors (see below), whose sum is σ = 25794661248. Its totient is φ = 3938063360.

The previous prime is 12355570133. The next prime is 12355570189. The reversal of 12355570146 is 64107555321.

It is a super-2 number, since 2×12355570146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418636 + ... + 447176.

It is an arithmetic number, because the mean of its divisors is an integer number (806083164).

Almost surely, 2^12355570146 is an apocalyptic number.

12355570146 is an abundant number, since it is smaller than the sum of its proper divisors (13439091102).

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

12355570146 is a wasteful number, since it uses less digits than its factorization.

12355570146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31706.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 12355570146 in words is "twelve billion, three hundred fifty-five million, five hundred seventy thousand, one hundred forty-six".