12105470146 has 16 divisors (see below), whose sum is σ = 22638801600. Its totient is φ = 4716416880.

The previous prime is 12105470137. The next prime is 12105470149. The reversal of 12105470146 is 64107450121.

It is a super-2 number, since 2×12105470146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12105470149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39303321 + ... + 39303628.

It is an arithmetic number, because the mean of its divisors is an integer number (1414925100).

Almost surely, 2^12105470146 is an apocalyptic number.

12105470146 is a deficient number, since it is larger than the sum of its proper divisors (10533331454).

12105470146 is a wasteful number, since it uses less digits than its factorization.

12105470146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78606969.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 12105470146 in words is "twelve billion, one hundred five million, four hundred seventy thousand, one hundred forty-six".