1212313321130 has 16 divisors (see below), whose sum is σ = 2297014714080. Its totient is φ = 459402942672.

The previous prime is 1212313321099. The next prime is 1212313321147. The reversal of 1212313321130 is 311233132121.

It is a junction number, because it is equal to n+sod(n) for n = 1212313321096 and 1212313321105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190298024 + ... + 3190298403.

It is an arithmetic number, because the mean of its divisors is an integer number (143563419630).

Almost surely, 2^{1212313321130} is an apocalyptic number.

1212313321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212313321130 is a deficient number, since it is larger than the sum of its proper divisors (1084701392950).

1212313321130 is a wasteful number, since it uses less digits than its factorization.

1212313321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380596453.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1212313321130 its reverse (311233132121), we get a palindrome (1523546453251).

The spelling of 1212313321130 in words is "one trillion, two hundred twelve billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred thirty".