1212330313300 has 18 divisors (see below), whose sum is σ = 2630756780078. Its totient is φ = 484932125280.

The previous prime is 1212330313247. The next prime is 1212330313319. The reversal of 1212330313300 is 33130332121.

It can be written as a sum of positive squares in 3 ways, for example, as 78948636484 + 1133381676816 = 280978^2 + 1064604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6061651467 + ... + 6061651666.

Almost surely, 2^{1212330313300} is an apocalyptic number.

1212330313300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212330313300 is an abundant number, since it is smaller than the sum of its proper divisors (1418426466778).

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

1212330313300 is a wasteful number, since it uses less digits than its factorization.

1212330313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123303147 (or 12123303140 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1212330313300 its reverse (33130332121), we get a palindrome (1245460645421).

The spelling of 1212330313300 in words is "one trillion, two hundred twelve billion, three hundred thirty million, three hundred thirteen thousand, three hundred".