1230313202122 has 4 divisors (see below), whose sum is σ = 1845469803186. Its totient is φ = 615156601060.

The previous prime is 1230313202081. The next prime is 1230313202143. The reversal of 1230313202122 is 2212023130321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1203011918761 + 27301283361 = 1096819^2 + 165231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230313202093 and 1230313202102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307578300529 + ... + 307578300532.

Almost surely, 2^{1230313202122} is an apocalyptic number.

1230313202122 is a deficient number, since it is larger than the sum of its proper divisors (615156601064).

1230313202122 is an equidigital number, since it uses as much as digits as its factorization.

1230313202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615156601063.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1230313202122 its reverse (2212023130321), we get a palindrome (3442336332443).

The spelling of 1230313202122 in words is "one trillion, two hundred thirty billion, three hundred thirteen million, two hundred two thousand, one hundred twenty-two".