123355460012 has 24 divisors (see below), whose sum is σ = 218562387120. Its totient is φ = 60912751680.

The previous prime is 123355460003. The next prime is 123355460029. The reversal of 123355460012 is 210064553321.

It is a happy 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, 326939 + ... + 594642.

It is an arithmetic number, because the mean of its divisors is an integer number (9106766130).

Almost surely, 2^123355460012 is an apocalyptic number.

It is an amenable number.

123355460012 is a deficient number, since it is larger than the sum of its proper divisors (95206927108).

123355460012 is a wasteful number, since it uses less digits than its factorization.

123355460012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922001 (or 921999 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 123355460012 in words is "one hundred twenty-three billion, three hundred fifty-five million, four hundred sixty thousand, twelve".