123011131320202 has 8 divisors (see below), whose sum is σ = 187541560865412. Its totient is φ = 60497277698400.

The previous prime is 123011131320197. The next prime is 123011131320251. The reversal of 123011131320202 is 202023131110321.

It can be written as a sum of positive squares in 2 ways, for example, as 118424213879521 + 4586917440681 = 10882289^2 + 2141709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504143980699 + ... + 504143980942.

Almost surely, 2^{123011131320202} is an apocalyptic number.

123011131320202 is a deficient number, since it is larger than the sum of its proper divisors (64530429545210).

123011131320202 is a wasteful number, since it uses less digits than its factorization.

123011131320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008287961704.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123011131320202 its reverse (202023131110321), we get a palindrome (325034262430523).

The spelling of 123011131320202 in words is "one hundred twenty-three trillion, eleven billion, one hundred thirty-one million, three hundred twenty thousand, two hundred two".