1201012200001 has 8 divisors (see below), whose sum is σ = 1213379505000. Its totient is φ = 1188654230400.

The previous prime is 1201012199971. The next prime is 1201012200013. The reversal of 1201012200001 is 1000022101021.

It can be written as a sum of positive squares in 4 ways, for example, as 653589785601 + 547422414400 = 808449^2 + 739880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201012200001 - 2¹¹ = 1201012197953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201012200061) 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, 2075076 + ... + 2589973.

It is an arithmetic number, because the mean of its divisors is an integer number (151672438125).

Almost surely, 2^{1201012200001} is an apocalyptic number.

It is an amenable number.

1201012200001 is a deficient number, since it is larger than the sum of its proper divisors (12367304999).

1201012200001 is a wasteful number, since it uses less digits than its factorization.

1201012200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667699.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1201012200001 its reverse (1000022101021), we get a palindrome (2201034301022).

The spelling of 1201012200001 in words is "one trillion, two hundred one billion, twelve million, two hundred thousand, one".