202312123104130 has 32 divisors (see below), whose sum is σ = 401739495495408. Its totient is φ = 72877913011200.

The previous prime is 202312123104071. The next prime is 202312123104139. The reversal of 202312123104130 is 31401321213202.

It can be written as a sum of positive squares in 8 ways, for example, as 60301452690801 + 142010670413329 = 7765401^2 + 11916823^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202312123104095 and 202312123104104.

It is not an unprimeable number, because it can be changed into a prime (202312123104139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18978617851 + ... + 18978628510.

Almost surely, 2^{202312123104130} is an apocalyptic number.

202312123104130 is a deficient number, since it is larger than the sum of its proper divisors (199427372391278).

202312123104130 is a wasteful number, since it uses less digits than its factorization.

202312123104130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37957246422.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 202312123104130 its reverse (31401321213202), we get a palindrome (233713444317332).

The spelling of 202312123104130 in words is "two hundred two trillion, three hundred twelve billion, one hundred twenty-three million, one hundred four thousand, one hundred thirty".