12001203442435 has 4 divisors (see below), whose sum is σ = 14401444130928. Its totient is φ = 9600962753944.

The previous prime is 12001203442433. The next prime is 12001203442447. The reversal of 12001203442435 is 53424430210021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001203442435 - 2¹ = 12001203442433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001203442397 and 12001203442406.

It is not an unprimeable number, because it can be changed into a prime (12001203442433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200120344239 + ... + 1200120344248.

It is an arithmetic number, because the mean of its divisors is an integer number (3600361032732).

Almost surely, 2^{12001203442435} is an apocalyptic number.

12001203442435 is a deficient number, since it is larger than the sum of its proper divisors (2400240688493).

12001203442435 is an equidigital number, since it uses as much as digits as its factorization.

12001203442435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400240688492.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12001203442435 its reverse (53424430210021), we get a palindrome (65425633652456).

The spelling of 12001203442435 in words is "twelve trillion, one billion, two hundred three million, four hundred forty-two thousand, four hundred thirty-five".