12081172070 has 64 divisors (see below), whose sum is σ = 24567992064. Its totient is φ = 4239150720.

The previous prime is 12081172057. The next prime is 12081172093. The reversal of 12081172070 is 7027118021.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 377204 + ... + 407976.

It is an arithmetic number, because the mean of its divisors is an integer number (383874876).

Almost surely, 2^12081172070 is an apocalyptic number.

12081172070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12081172070 is an abundant number, since it is smaller than the sum of its proper divisors (12486819994).

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

12081172070 is a wasteful number, since it uses less digits than its factorization.

12081172070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30917.

The product of its (nonzero) digits is 1568, while the sum is 29.

The spelling of 12081172070 in words is "twelve billion, eighty-one million, one hundred seventy-two thousand, seventy".