12050661570 has 16 divisors (see below), whose sum is σ = 28921587840. Its totient is φ = 3213509744.

The previous prime is 12050661563. The next prime is 12050661577. The reversal of 12050661570 is 7516605021.

It is an interprime number because it is at equal distance from previous prime (12050661563) and next prime (12050661577).

It is not an unprimeable number, because it can be changed into a prime (12050661577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200844330 + ... + 200844389.

It is an arithmetic number, because the mean of its divisors is an integer number (1807599240).

Almost surely, 2^12050661570 is an apocalyptic number.

12050661570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12050661570 is an abundant number, since it is smaller than the sum of its proper divisors (16870926270).

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

12050661570 is a wasteful number, since it uses less digits than its factorization.

12050661570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401688729.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 12050661570 in words is "twelve billion, fifty million, six hundred sixty-one thousand, five hundred seventy".