1202312003001 has 4 divisors (see below), whose sum is σ = 1603082670672. Its totient is φ = 801541335332.

The previous prime is 1202312002993. The next prime is 1202312003003. The reversal of 1202312003001 is 1003002132021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202312003001 - 2³ = 1202312002993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202312003003) 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, 200385333831 + ... + 200385333836.

It is an arithmetic number, because the mean of its divisors is an integer number (400770667668).

Almost surely, 2^{1202312003001} is an apocalyptic number.

It is an amenable number.

1202312003001 is a deficient number, since it is larger than the sum of its proper divisors (400770667671).

1202312003001 is an equidigital number, since it uses as much as digits as its factorization.

1202312003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400770667670.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1202312003001 its reverse (1003002132021), we get a palindrome (2205314135022).

The spelling of 1202312003001 in words is "one trillion, two hundred two billion, three hundred twelve million, three thousand, one".