12145237370 has 32 divisors (see below), whose sum is σ = 24992205696. Its totient is φ = 4162795200.

The previous prime is 12145237301. The next prime is 12145237397. The reversal of 12145237370 is 7373254121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12145237370.

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, 217205 + ... + 267335.

It is an arithmetic number, because the mean of its divisors is an integer number (781006428).

Almost surely, 2^12145237370 is an apocalyptic number.

12145237370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12145237370 is an abundant number, since it is smaller than the sum of its proper divisors (12846968326).

12145237370 is a wasteful number, since it uses less digits than its factorization.

12145237370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53606.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 12145237370 in words is "twelve billion, one hundred forty-five million, two hundred thirty-seven thousand, three hundred seventy".