1030312023122 has 4 divisors (see below), whose sum is σ = 1545468034686. Its totient is φ = 515156011560.

The previous prime is 1030312023119. The next prime is 1030312023133. The reversal of 1030312023122 is 2213202130301.

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., 982574580001 + 47737443121 = 991249^2 + 218489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1030312023094 and 1030312023103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257578005779 + ... + 257578005782.

Almost surely, 2^{1030312023122} is an apocalyptic number.

1030312023122 is a deficient number, since it is larger than the sum of its proper divisors (515156011564).

1030312023122 is an equidigital number, since it uses as much as digits as its factorization.

1030312023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515156011563.

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

Adding to 1030312023122 its reverse (2213202130301), we get a palindrome (3243514153423).

The spelling of 1030312023122 in words is "one trillion, thirty billion, three hundred twelve million, twenty-three thousand, one hundred twenty-two".