1200302000001 has 12 divisors (see below), whose sum is σ = 1867136444628. Its totient is φ = 738647384544.

The previous prime is 1200301999969. The next prime is 1200302000041. The reversal of 1200302000001 is 1000002030021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 348005606400 + 852296393601 = 589920^2 + 923199^2 .

It is not a de Polignac number, because 1200302000001 - 2⁵ = 1200301999969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1200302000041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5129495610 + ... + 5129495843.

It is an arithmetic number, because the mean of its divisors is an integer number (155594703719).

Almost surely, 2^{1200302000001} is an apocalyptic number.

It is an amenable number.

1200302000001 is a deficient number, since it is larger than the sum of its proper divisors (666834444627).

1200302000001 is a wasteful number, since it uses less digits than its factorization.

1200302000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258991472 (or 10258991469 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1200302000001 its reverse (1000002030021), we get a palindrome (2200304030022).

The spelling of 1200302000001 in words is "one trillion, two hundred billion, three hundred two million, one", and thus it is an aban number.