1201123003201 has 32 divisors (see below), whose sum is σ = 1342760509440. Its totient is φ = 1065258955200.

The previous prime is 1201123003183. The next prime is 1201123003247. The reversal of 1201123003201 is 1023003211021.

It is not a de Polignac number, because 1201123003201 - 2⁹ = 1201123002689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201123004201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31935315 + ... + 31972903.

It is an arithmetic number, because the mean of its divisors is an integer number (41961265920).

Almost surely, 2^{1201123003201} is an apocalyptic number.

1201123003201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201123003201 is a deficient number, since it is larger than the sum of its proper divisors (141637506239).

1201123003201 is a wasteful number, since it uses less digits than its factorization.

1201123003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38085.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1201123003201 its reverse (1023003211021), we get a palindrome (2224126214222).

The spelling of 1201123003201 in words is "one trillion, two hundred one billion, one hundred twenty-three million, three thousand, two hundred one".