123120200040202 has 8 divisors (see below), whose sum is σ = 184737002649156. Its totient is φ = 61541199157152.

The previous prime is 123120200040133. The next prime is 123120200040223. The reversal of 123120200040202 is 202040002021321.

It can be written as a sum of positive squares in 2 ways, for example, as 116561842697161 + 6558357343041 = 10796381^2 + 2560929^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 123120200040202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9450423333 + ... + 9450436360.

Almost surely, 2^{123120200040202} is an apocalyptic number.

123120200040202 is a deficient number, since it is larger than the sum of its proper divisors (61616802608954).

123120200040202 is a wasteful number, since it uses less digits than its factorization.

123120200040202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18900862952.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123120200040202 its reverse (202040002021321), we get a palindrome (325160202061523).

The spelling of 123120200040202 in words is "one hundred twenty-three trillion, one hundred twenty billion, two hundred million, forty thousand, two hundred two".