123100412 has 12 divisors (see below), whose sum is σ = 215572896. Its totient is φ = 61508160.

The previous prime is 123100387. The next prime is 123100423. The reversal of 123100412 is 214001321.

It is a super-2 number, since 2×123100412² = 30307422869139488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (17964408).

Almost surely, 2^123100412 is an apocalyptic number.

It is an amenable number.

123100412 is a deficient number, since it is larger than the sum of its proper divisors (92472484).

123100412 is a wasteful number, since it uses less digits than its factorization.

123100412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21028 (or 21026 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 123100412 is about 11095.0625054571. The cubic root of 123100412 is about 497.4542765820.

Adding to 123100412 its reverse (214001321), we get a palindrome (337101733).

Subtracting 123100412 from its reverse (214001321), we obtain a palindrome (90900909).

The spelling of 123100412 in words is "one hundred twenty-three million, one hundred thousand, four hundred twelve".