1212313302111 has 32 divisors (see below), whose sum is σ = 1826954611200. Its totient is φ = 710482268160.

The previous prime is 1212313302107. The next prime is 1212313302131. The reversal of 1212313302111 is 1112033132121.

It is not a de Polignac number, because 1212313302111 - 2² = 1212313302107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212313302131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8741746 + ... + 8879343.

It is an arithmetic number, because the mean of its divisors is an integer number (57092331600).

Almost surely, 2^{1212313302111} is an apocalyptic number.

1212313302111 is a deficient number, since it is larger than the sum of its proper divisors (614641309089).

1212313302111 is a wasteful number, since it uses less digits than its factorization.

1212313302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17621199.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1212313302111 its reverse (1112033132121), we get a palindrome (2324346434232).

The spelling of 1212313302111 in words is "one trillion, two hundred twelve billion, three hundred thirteen million, three hundred two thousand, one hundred eleven".