1211332213201 has 8 divisors (see below), whose sum is σ = 1321598791008. Its totient is φ = 1101089880000.

The previous prime is 1211332213159. The next prime is 1211332213213. The reversal of 1211332213201 is 1023122331121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211332213201 - 2⁷ = 1211332213073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211332213001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5956600 + ... + 6156601.

It is an arithmetic number, because the mean of its divisors is an integer number (165199848876).

Almost surely, 2^{1211332213201} is an apocalyptic number.

1211332213201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1211332213201 is a deficient number, since it is larger than the sum of its proper divisors (110266577807).

1211332213201 is a wasteful number, since it uses less digits than its factorization.

1211332213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122303.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1211332213201 its reverse (1023122331121), we get a palindrome (2234454544322).

The spelling of 1211332213201 in words is "one trillion, two hundred eleven billion, three hundred thirty-two million, two hundred thirteen thousand, two hundred one".