1200000012201 has 12 divisors (see below), whose sum is σ = 1824561422320. Its totient is φ = 757894744440.

The previous prime is 1200000012199. The next prime is 1200000012241. The reversal of 1200000012201 is 1022100000021.

It is not a de Polignac number, because 1200000012201 - 2¹ = 1200000012199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200000012241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3508771795 + ... + 3508772136.

Almost surely, 2^{1200000012201} is an apocalyptic number.

It is an amenable number.

1200000012201 is a deficient number, since it is larger than the sum of its proper divisors (624561410119).

1200000012201 is a wasteful number, since it uses less digits than its factorization.

1200000012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017543956 (or 7017543953 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1200000012201 its reverse (1022100000021), we get a palindrome (2222100012222).

The spelling of 1200000012201 in words is "one trillion, two hundred billion, twelve thousand, two hundred one".