1200120122201 has 32 divisors (see below), whose sum is σ = 1618987109376. Its totient is φ = 859132008000.

The previous prime is 1200120122191. The next prime is 1200120122233. The reversal of 1200120122201 is 1022210210021.

It is not a de Polignac number, because 1200120122201 - 2¹⁸ = 1200119860057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1200120122281) 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, 2629835 + ... + 3052256.

It is an arithmetic number, because the mean of its divisors is an integer number (50593347168).

Almost surely, 2^{1200120122201} is an apocalyptic number.

1200120122201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200120122201 is a deficient number, since it is larger than the sum of its proper divisors (418866987175).

1200120122201 is a wasteful number, since it uses less digits than its factorization.

1200120122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682333.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200120122201 its reverse (1022210210021), we get a palindrome (2222330332222).

The spelling of 1200120122201 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred twenty-two thousand, two hundred one".