123200220412 has 24 divisors (see below), whose sum is σ = 219781804032. Its totient is φ = 60414505200.

The previous prime is 123200220397. The next prime is 123200220421. The reversal of 123200220412 is 214022002321.

It is a self number, because there is not a number n which added to its sum of digits gives 123200220412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081368 + ... + 1189855.

It is an arithmetic number, because the mean of its divisors is an integer number (9157575168).

Almost surely, 2^123200220412 is an apocalyptic number.

It is an amenable number.

123200220412 is a deficient number, since it is larger than the sum of its proper divisors (96581583620).

123200220412 is a wasteful number, since it uses less digits than its factorization.

123200220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271489 (or 2271487 counting only the distinct ones).

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

Adding to 123200220412 its reverse (214022002321), we get a palindrome (337222222733).

The spelling of 123200220412 in words is "one hundred twenty-three billion, two hundred million, two hundred twenty thousand, four hundred twelve".