12212131312011 has 16 divisors (see below), whose sum is σ = 16992212106240. Its totient is φ = 7786794892800.

The previous prime is 12212131311967. The next prime is 12212131312039. The reversal of 12212131312011 is 11021313121221.

It is not a de Polignac number, because 12212131312011 - 2¹⁹ = 12212130787723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212131312211) 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, 6567715 + ... + 8219436.

It is an arithmetic number, because the mean of its divisors is an integer number (1062013256640).

Almost surely, 2^{12212131312011} is an apocalyptic number.

12212131312011 is a deficient number, since it is larger than the sum of its proper divisors (4780080794229).

12212131312011 is a wasteful number, since it uses less digits than its factorization.

12212131312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14799146.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12212131312011 its reverse (11021313121221), we get a palindrome (23233444433232).

The spelling of 12212131312011 in words is "twelve trillion, two hundred twelve billion, one hundred thirty-one million, three hundred twelve thousand, eleven".