123465605112 has 48 divisors (see below), whose sum is σ = 334409634000. Its totient is φ = 41152294656.

The previous prime is 123465605083. The next prime is 123465605141. The reversal of 123465605112 is 211506564321.

123465605112 is a `hidden beast` number, since 1 + 2 + 3 + 46 + 5 + 605 + 1 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (123465605083) and next prime (123465605141).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126189 + ... + 1230947.

It is an arithmetic number, because the mean of its divisors is an integer number (6966867375).

Almost surely, 2^123465605112 is an apocalyptic number.

123465605112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123465605112 is an abundant number, since it is smaller than the sum of its proper divisors (210944028888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123465605112 is a wasteful number, since it uses less digits than its factorization.

123465605112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121140 (or 121133 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 123465605112 in words is "one hundred twenty-three billion, four hundred sixty-five million, six hundred five thousand, one hundred twelve".