1311141212 has 12 divisors (see below), whose sum is σ = 2296911456. Its totient is φ = 654880800.

The previous prime is 1311141203. The next prime is 1311141217. The reversal of 1311141212 is 2121411131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311141217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168164 + ... + 175787.

It is an arithmetic number, because the mean of its divisors is an integer number (191409288).

Almost surely, 2^1311141212 is an apocalyptic number.

It is an amenable number.

1311141212 is a deficient number, since it is larger than the sum of its proper divisors (985770244).

1311141212 is a wasteful number, since it uses less digits than its factorization.

1311141212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344908 (or 344906 counting only the distinct ones).

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

The square root of 1311141212 is about 36209.6839533294. The cubic root of 1311141212 is about 1094.5018235241.

Adding to 1311141212 its reverse (2121411131), we get a palindrome (3432552343).

The spelling of 1311141212 in words is "one billion, three hundred eleven million, one hundred forty-one thousand, two hundred twelve".