1231003230122 has 4 divisors (see below), whose sum is σ = 1846504845186. Its totient is φ = 615501615060.

The previous prime is 1231003230077. The next prime is 1231003230209. The reversal of 1231003230122 is 2210323001321.

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., 1228707957841 + 2295272281 = 1108471^2 + 47909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231003230094 and 1231003230103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307750807529 + ... + 307750807532.

Almost surely, 2^{1231003230122} is an apocalyptic number.

1231003230122 is a deficient number, since it is larger than the sum of its proper divisors (615501615064).

1231003230122 is an equidigital number, since it uses as much as digits as its factorization.

1231003230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615501615063.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1231003230122 its reverse (2210323001321), we get a palindrome (3441326231443).

The spelling of 1231003230122 in words is "one trillion, two hundred thirty-one billion, three million, two hundred thirty thousand, one hundred twenty-two".