1202012200001 has 4 divisors (see below), whose sum is σ = 1203169094400. Its totient is φ = 1200855305604.

The previous prime is 1202012199989. The next prime is 1202012200021. The reversal of 1202012200001 is 1000022102021.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-1202012200001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1202012200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578445641 + ... + 578447718.

It is an arithmetic number, because the mean of its divisors is an integer number (300792273600).

Almost surely, 2^{1202012200001} is an apocalyptic number.

It is an amenable number.

1202012200001 is a deficient number, since it is larger than the sum of its proper divisors (1156894399).

1202012200001 is a wasteful number, since it uses less digits than its factorization.

1202012200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156894398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1202012200001 its reverse (1000022102021), we get a palindrome (2202034302022).

The spelling of 1202012200001 in words is "one trillion, two hundred two billion, twelve million, two hundred thousand, one".