1200002003201 has 4 divisors (see below), whose sum is σ = 1232434489812. Its totient is φ = 1167569516592.

The previous prime is 1200002003183. The next prime is 1200002003203. The reversal of 1200002003201 is 1023002000021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 808156050625 + 391845952576 = 898975^2 + 625976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200002003201 is a prime.

It is a super-3 number, since 3×1200002003201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200002003203) 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, 16216243250 + ... + 16216243323.

It is an arithmetic number, because the mean of its divisors is an integer number (308108622453).

Almost surely, 2^{1200002003201} is an apocalyptic number.

It is an amenable number.

1200002003201 is a deficient number, since it is larger than the sum of its proper divisors (32432486611).

1200002003201 is an equidigital number, since it uses as much as digits as its factorization.

1200002003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32432486610.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1200002003201 its reverse (1023002000021), we get a palindrome (2223004003222).

The spelling of 1200002003201 in words is "one trillion, two hundred billion, two million, three thousand, two hundred one".