12145370443 has 8 divisors (see below), whose sum is σ = 12253138128. Its totient is φ = 12037880064.

The previous prime is 12145370431. The next prime is 12145370459. The reversal of 12145370443 is 34407354121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12145370443 - 2¹⁷ = 12145239371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12145370399 and 12145370408.

It is not an unprimeable number, because it can be changed into a prime (12145370243) 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, 19155 + ... + 157027.

It is an arithmetic number, because the mean of its divisors is an integer number (1531642266).

Almost surely, 2^12145370443 is an apocalyptic number.

12145370443 is a deficient number, since it is larger than the sum of its proper divisors (107767685).

12145370443 is a wasteful number, since it uses less digits than its factorization.

12145370443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138653.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 12145370443 in words is "twelve billion, one hundred forty-five million, three hundred seventy thousand, four hundred forty-three".