1200001201201 has 16 divisors (see below), whose sum is σ = 1386383257728. Its totient is φ = 1026527430400.

The previous prime is 1200001201193. The next prime is 1200001201211. The reversal of 1200001201201 is 1021021000021.

It is a cyclic number.

It is not a de Polignac number, because 1200001201201 - 2³ = 1200001201193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200001201211) 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 15 ways as a sum of consecutive naturals, for example, 252171 + ... + 1569583.

It is an arithmetic number, because the mean of its divisors is an integer number (86648953608).

Almost surely, 2^{1200001201201} is an apocalyptic number.

1200001201201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200001201201 is a deficient number, since it is larger than the sum of its proper divisors (186382056527).

1200001201201 is a wasteful number, since it uses less digits than its factorization.

1200001201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322312.

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

Adding to 1200001201201 its reverse (1021021000021), we get a palindrome (2221022201222).

The spelling of 1200001201201 in words is "one trillion, two hundred billion, one million, two hundred one thousand, two hundred one".