1213113332 has 12 divisors (see below), whose sum is σ = 2131832640. Its totient is φ = 604018296.

The previous prime is 1213113329. The next prime is 1213113361. The reversal of 1213113332 is 2333113121.

It is a super-2 number, since 2×1213113332² = 2943287912552284448, which contains 22 as substring.

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, 633518 + ... + 635429.

It is an arithmetic number, because the mean of its divisors is an integer number (177652720).

Almost surely, 2^1213113332 is an apocalyptic number.

It is an amenable number.

1213113332 is a deficient number, since it is larger than the sum of its proper divisors (918719308).

1213113332 is a wasteful number, since it uses less digits than its factorization.

1213113332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269190 (or 1269188 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 1213113332 is about 34829.7765137820. The cubic root of 1213113332 is about 1066.5153861411.

Adding to 1213113332 its reverse (2333113121), we get a palindrome (3546226453).

The spelling of 1213113332 in words is "one billion, two hundred thirteen million, one hundred thirteen thousand, three hundred thirty-two".