1230311211122 has 16 divisors (see below), whose sum is σ = 2220110456640. Its totient is φ = 499524852528.

The previous prime is 1230311211089. The next prime is 1230311211127. The reversal of 1230311211122 is 2211121130321.

It is a junction number, because it is equal to n+sod(n) for n = 1230311211094 and 1230311211103.

It is not an unprimeable number, because it can be changed into a prime (1230311211127) 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, 2312614793 + ... + 2312615324.

It is an arithmetic number, because the mean of its divisors is an integer number (138756903540).

Almost surely, 2^{1230311211122} is an apocalyptic number.

1230311211122 is a deficient number, since it is larger than the sum of its proper divisors (989799245518).

1230311211122 is a wasteful number, since it uses less digits than its factorization.

1230311211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625230145.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1230311211122 its reverse (2211121130321), we get a palindrome (3441432341443).

The spelling of 1230311211122 in words is "one trillion, two hundred thirty billion, three hundred eleven million, two hundred eleven thousand, one hundred twenty-two".