1200012002211 has 16 divisors (see below), whose sum is σ = 1745496587520. Its totient is φ = 727269757920.

The previous prime is 1200012002207. The next prime is 1200012002221. The reversal of 1200012002211 is 1122002100021.

It is not a de Polignac number, because 1200012002211 - 2² = 1200012002207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200012002201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2596741 + ... + 3023753.

It is an arithmetic number, because the mean of its divisors is an integer number (109093536720).

Almost surely, 2^{1200012002211} is an apocalyptic number.

1200012002211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200012002211 is a deficient number, since it is larger than the sum of its proper divisors (545484585309).

1200012002211 is a wasteful number, since it uses less digits than its factorization.

1200012002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512186.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200012002211 its reverse (1122002100021), we get a palindrome (2322014102232).

It can be divided in two parts, 120001 and 2002211, that added together give a palindrome (2122212).

The spelling of 1200012002211 in words is "one trillion, two hundred billion, twelve million, two thousand, two hundred eleven".