1230000001322 has 4 divisors (see below), whose sum is σ = 1845000001986. Its totient is φ = 615000000660.

The previous prime is 1230000001277. The next prime is 1230000001333. The reversal of 1230000001322 is 2231000000321.

It is a happy number.

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., 621008617681 + 608991383641 = 788041^2 + 780379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230000001297 and 1230000001306.

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, 307500000329 + ... + 307500000332.

Almost surely, 2^{1230000001322} is an apocalyptic number.

1230000001322 is a deficient number, since it is larger than the sum of its proper divisors (615000000664).

1230000001322 is an equidigital number, since it uses as much as digits as its factorization.

1230000001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615000000663.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1230000001322 its reverse (2231000000321), we get a palindrome (3461000001643).

The spelling of 1230000001322 in words is "one trillion, two hundred thirty billion, one thousand, three hundred twenty-two".