1213153330 has 8 divisors (see below), whose sum is σ = 2183676012. Its totient is φ = 485261328.

The previous prime is 1213153321. The next prime is 1213153343. The reversal of 1213153330 is 333513121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1046975449 + 166177881 = 32357^2 + 12891^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60657657 + ... + 60657676.

Almost surely, 2^1213153330 is an apocalyptic number.

1213153330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213153330 is a deficient number, since it is larger than the sum of its proper divisors (970522682).

1213153330 is a wasteful number, since it uses less digits than its factorization.

1213153330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121315340.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1213153330 is about 34830.3507016510. The cubic root of 1213153330 is about 1066.5271075009.

Adding to 1213153330 its reverse (333513121), we get a palindrome (1546666451).

The spelling of 1213153330 in words is "one billion, two hundred thirteen million, one hundred fifty-three thousand, three hundred thirty".