1311004212122 has 32 divisors (see below), whose sum is σ = 2151723818304. Its totient is φ = 594122963200.

The previous prime is 1311004212121. The next prime is 1311004212139. The reversal of 1311004212122 is 2212124001131.

It is a junction number, because it is equal to n+sod(n) for n = 1311004212094 and 1311004212103.

It is not an unprimeable number, because it can be changed into a prime (1311004212121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13214888 + ... + 13313724.

It is an arithmetic number, because the mean of its divisors is an integer number (67241369322).

Almost surely, 2^{1311004212122} is an apocalyptic number.

1311004212122 is a deficient number, since it is larger than the sum of its proper divisors (840719606182).

1311004212122 is a wasteful number, since it uses less digits than its factorization.

1311004212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100654.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1311004212122 its reverse (2212124001131), we get a palindrome (3523128213253).

The spelling of 1311004212122 in words is "one trillion, three hundred eleven billion, four million, two hundred twelve thousand, one hundred twenty-two".