1213133002 has 8 divisors (see below), whose sum is σ = 1820121156. Its totient is φ = 606425952.

The previous prime is 1213132993. The next prime is 1213133029. The reversal of 1213133002 is 2003313121.

It can be written as a sum of positive squares in 2 ways, for example, as 1211666481 + 1466521 = 34809^2 + 1211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 59133 + ... + 76960.

Almost surely, 2^1213133002 is an apocalyptic number.

1213133002 is a deficient number, since it is larger than the sum of its proper divisors (606988154).

1213133002 is a wasteful number, since it uses less digits than its factorization.

1213133002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140552.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1213133002 is about 34830.0588859680. The cubic root of 1213133002 is about 1066.5211504402.

Adding to 1213133002 its reverse (2003313121), we get a palindrome (3216446123).

The spelling of 1213133002 in words is "one billion, two hundred thirteen million, one hundred thirty-three thousand, two".