1210012231211 has 8 divisors (see below), whose sum is σ = 1399532219904. Its totient is φ = 1024657517160.

The previous prime is 1210012231201. The next prime is 1210012231223. The reversal of 1210012231211 is 1121322100121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210012231211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210012231211.

It is not an unprimeable number, because it can be changed into a prime (1210012231201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041318035 + ... + 1041319196.

It is an arithmetic number, because the mean of its divisors is an integer number (174941527488).

Almost surely, 2^{1210012231211} is an apocalyptic number.

1210012231211 is a deficient number, since it is larger than the sum of its proper divisors (189519988693).

1210012231211 is an equidigital number, since it uses as much as digits as its factorization.

1210012231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082637321.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1210012231211 its reverse (1121322100121), we get a palindrome (2331334331332).

The spelling of 1210012231211 in words is "one trillion, two hundred ten billion, twelve million, two hundred thirty-one thousand, two hundred eleven".