1213223033330 has 64 divisors (see below), whose sum is σ = 2725433008128. Its totient is φ = 377762516160.

The previous prime is 1213223033327. The next prime is 1213223033333. The reversal of 1213223033330 is 333303223121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1213223033327) and next prime (1213223033333).

It is a self number, because there is not a number n which added to its sum of digits gives 1213223033330.

It is not an unprimeable number, because it can be changed into a prime (1213223033333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44522 + ... + 1558341.

It is an arithmetic number, because the mean of its divisors is an integer number (42584890752).

Almost surely, 2^{1213223033330} is an apocalyptic number.

1213223033330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213223033330 is an abundant number, since it is smaller than the sum of its proper divisors (1512209974798).

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

1213223033330 is a wasteful number, since it uses less digits than its factorization.

1213223033330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603871.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1213223033330 its reverse (333303223121), we get a palindrome (1546526256451).

The spelling of 1213223033330 in words is "one trillion, two hundred thirteen billion, two hundred twenty-three million, thirty-three thousand, three hundred thirty".