12002140020434 has 4 divisors (see below), whose sum is σ = 18003210030654. Its totient is φ = 6001070010216.

The previous prime is 12002140020421. The next prime is 12002140020443. The reversal of 12002140020434 is 43402004120021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6202216680625 + 5799923339809 = 2490425^2 + 2408303^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000535005107 + ... + 3000535005110.

Almost surely, 2^{12002140020434} is an apocalyptic number.

12002140020434 is a deficient number, since it is larger than the sum of its proper divisors (6001070010220).

12002140020434 is an equidigital number, since it uses as much as digits as its factorization.

12002140020434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001070010219.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12002140020434 its reverse (43402004120021), we get a palindrome (55404144140455).

The spelling of 12002140020434 in words is "twelve trillion, two billion, one hundred forty million, twenty thousand, four hundred thirty-four".