1213013132 has 12 divisors (see below), whose sum is σ = 2152671696. Its totient is φ = 597964080.

The previous prime is 1213013117. The next prime is 1213013141. The reversal of 1213013132 is 2313103121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213013132.

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, 2135303 + ... + 2135870.

It is an arithmetic number, because the mean of its divisors is an integer number (179389308).

Almost surely, 2^1213013132 is an apocalyptic number.

It is an amenable number.

1213013132 is a deficient number, since it is larger than the sum of its proper divisors (939658564).

1213013132 is a wasteful number, since it uses less digits than its factorization.

1213013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271248 (or 4271246 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1213013132 is about 34828.3380596893. The cubic root of 1213013132 is about 1066.4860215353.

Adding to 1213013132 its reverse (2313103121), we get a palindrome (3526116253).

The spelling of 1213013132 in words is "one billion, two hundred thirteen million, thirteen thousand, one hundred thirty-two".