123401100412 has 12 divisors (see below), whose sum is σ = 221788464520. Its totient is φ = 60032967696.

The previous prime is 123401100379. The next prime is 123401100461. The reversal of 123401100412 is 214001104321.

It is a self number, because there is not a number n which added to its sum of digits gives 123401100412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416895462 + ... + 416895757.

Almost surely, 2^123401100412 is an apocalyptic number.

It is an amenable number.

123401100412 is a deficient number, since it is larger than the sum of its proper divisors (98387364108).

123401100412 is a wasteful number, since it uses less digits than its factorization.

123401100412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833791260 (or 833791258 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123401100412 its reverse (214001104321), we get a palindrome (337402204733).

The spelling of 123401100412 in words is "one hundred twenty-three billion, four hundred one million, one hundred thousand, four hundred twelve".