123505575412 has 48 divisors (see below), whose sum is σ = 224275246272. Its totient is φ = 59473290240.

The previous prime is 123505575367. The next prime is 123505575443. The reversal of 123505575412 is 214575505321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520068 + ... + 3554980.

It is an arithmetic number, because the mean of its divisors is an integer number (4672400964).

Almost surely, 2^123505575412 is an apocalyptic number.

It is an amenable number.

123505575412 is a deficient number, since it is larger than the sum of its proper divisors (100769670860).

123505575412 is a wasteful number, since it uses less digits than its factorization.

123505575412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35248 (or 35246 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 123505575412 in words is "one hundred twenty-three billion, five hundred five million, five hundred seventy-five thousand, four hundred twelve".