1212231330330 has 16 divisors (see below), whose sum is σ = 2909355192864. Its totient is φ = 323261688080.

The previous prime is 1212231330329. The next prime is 1212231330337. The reversal of 1212231330330 is 330331322121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212231330330.

It is not an unprimeable number, because it can be changed into a prime (1212231330337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20203855476 + ... + 20203855535.

It is an arithmetic number, because the mean of its divisors is an integer number (181834699554).

Almost surely, 2^{1212231330330} is an apocalyptic number.

1212231330330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212231330330 is an abundant number, since it is smaller than the sum of its proper divisors (1697123862534).

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

1212231330330 is a wasteful number, since it uses less digits than its factorization.

1212231330330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40407711021.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1212231330330 its reverse (330331322121), we get a palindrome (1542562652451).

The spelling of 1212231330330 in words is "one trillion, two hundred twelve billion, two hundred thirty-one million, three hundred thirty thousand, three hundred thirty".