1212321033130 has 8 divisors (see below), whose sum is σ = 2182177859652. Its totient is φ = 484928413248.

The previous prime is 1212321033127. The next prime is 1212321033137. The reversal of 1212321033130 is 313301232121.

It can be written as a sum of positive squares in 2 ways, for example, as 1170860335969 + 41460697161 = 1082063^2 + 203619^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1212321033137) 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 3 ways as a sum of consecutive naturals, for example, 60616051647 + ... + 60616051666.

Almost surely, 2^{1212321033130} is an apocalyptic number.

1212321033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212321033130 is a deficient number, since it is larger than the sum of its proper divisors (969856826522).

1212321033130 is a wasteful number, since it uses less digits than its factorization.

1212321033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121232103320.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1212321033130 its reverse (313301232121), we get a palindrome (1525622265251).

The spelling of 1212321033130 in words is "one trillion, two hundred twelve billion, three hundred twenty-one million, thirty-three thousand, one hundred thirty".