1213011330 has 32 divisors (see below), whose sum is σ = 2989911744. Its totient is φ = 314726976.

The previous prime is 1213011323. The next prime is 1213011343. The reversal of 1213011330 is 331103121.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 545292 + ... + 547511.

It is an arithmetic number, because the mean of its divisors is an integer number (93434742).

Almost surely, 2^1213011330 is an apocalyptic number.

1213011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213011330 is an abundant number, since it is smaller than the sum of its proper divisors (1776900414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213011330 is a wasteful number, since it uses less digits than its factorization.

1213011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092850.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1213011330 is about 34828.3121899411. The cubic root of 1213011330 is about 1066.4854934265.

Adding to 1213011330 its reverse (331103121), we get a palindrome (1544114451).

The spelling of 1213011330 in words is "one billion, two hundred thirteen million, eleven thousand, three hundred thirty".