1212213222330 has 64 divisors (see below), whose sum is σ = 3311785709568. Its totient is φ = 281092919360.

The previous prime is 1212213222293. The next prime is 1212213222343. The reversal of 1212213222330 is 332223122121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212213222330.

It is an unprimeable number.

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, 79848354 + ... + 79863533.

It is an arithmetic number, because the mean of its divisors is an integer number (51746651712).

Almost surely, 2^{1212213222330} is an apocalyptic number.

1212213222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212213222330 is an abundant number, since it is smaller than the sum of its proper divisors (2099572487238).

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

1212213222330 is a wasteful number, since it uses less digits than its factorization.

1212213222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159711931.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1212213222330 its reverse (332223122121), we get a palindrome (1544436344451).

The spelling of 1212213222330 in words is "one trillion, two hundred twelve billion, two hundred thirteen million, two hundred twenty-two thousand, three hundred thirty".