1331124212 has 12 divisors (see below), whose sum is σ = 2541237216. Its totient is φ = 605056440.

The previous prime is 1331124199. The next prime is 1331124239. The reversal of 1331124212 is 2124211331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15126368 + ... + 15126455.

It is an arithmetic number, because the mean of its divisors is an integer number (211769768).

Almost surely, 2^1331124212 is an apocalyptic number.

It is an amenable number.

1331124212 is a deficient number, since it is larger than the sum of its proper divisors (1210113004).

1331124212 is a wasteful number, since it uses less digits than its factorization.

1331124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30252838 (or 30252836 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1331124212 is about 36484.5749872463. The cubic root of 1331124212 is about 1100.0342171174.

Adding to 1331124212 its reverse (2124211331), we get a palindrome (3455335543).

The spelling of 1331124212 in words is "one billion, three hundred thirty-one million, one hundred twenty-four thousand, two hundred twelve".