123417560212 has 12 divisors (see below), whose sum is σ = 219521398516. Its totient is φ = 60697160640.

The previous prime is 123417560209. The next prime is 123417560213. The reversal of 123417560212 is 212065714321.

It can be written as a sum of positive squares in 2 ways, for example, as 49148229636 + 74269330576 = 221694^2 + 272524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123417560213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252904593 + ... + 252905080.

Almost surely, 2^123417560212 is an apocalyptic number.

It is an amenable number.

123417560212 is a deficient number, since it is larger than the sum of its proper divisors (96103838304).

123417560212 is a wasteful number, since it uses less digits than its factorization.

123417560212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505809738 (or 505809736 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 123417560212 in words is "one hundred twenty-three billion, four hundred seventeen million, five hundred sixty thousand, two hundred twelve".