1213310003112 has 24 divisors (see below), whose sum is σ = 3286047925290. Its totient is φ = 404436667680.

The previous prime is 1213310003099. The next prime is 1213310003137. The reversal of 1213310003112 is 2113000133121.

1213310003112 is a `hidden beast` number, since 1 + 21 + 331 + 0 + 0 + 0 + 311 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1209810807396 + 3499195716 = 1099914^2 + 59154^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 5 ways as a sum of consecutive naturals, for example, 8425763839 + ... + 8425763982.

Almost surely, 2^{1213310003112} is an apocalyptic number.

1213310003112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213310003112 is an abundant number, since it is smaller than the sum of its proper divisors (2072737922178).

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

1213310003112 is a wasteful number, since it uses less digits than its factorization.

1213310003112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851527833 (or 16851527826 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1213310003112 its reverse (2113000133121), we get a palindrome (3326310136233).

The spelling of 1213310003112 in words is "one trillion, two hundred thirteen billion, three hundred ten million, three thousand, one hundred twelve".