2001230312002 has 16 divisors (see below), whose sum is σ = 3233321926560. Its totient is φ = 925905822912.

The previous prime is 2001230311987. The next prime is 2001230312009. The reversal of 2001230312002 is 2002130321002.

It is not an unprimeable number, because it can be changed into a prime (2001230312009) 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, 612369943 + ... + 612373210.

It is an arithmetic number, because the mean of its divisors is an integer number (202082620410).

Almost surely, 2^{2001230312002} is an apocalyptic number.

2001230312002 is a deficient number, since it is larger than the sum of its proper divisors (1232091614558).

2001230312002 is a wasteful number, since it uses less digits than its factorization.

2001230312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224743217.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2001230312002 its reverse (2002130321002), we get a palindrome (4003360633004).

The spelling of 2001230312002 in words is "two trillion, one billion, two hundred thirty million, three hundred twelve thousand, two".