10123404243112 has 16 divisors (see below), whose sum is σ = 18981426127860. Its totient is φ = 5061690609024.

The previous prime is 10123404243089. The next prime is 10123404243151. The reversal of 10123404243112 is 21134240432101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10086810848676 + 36593394436 = 3175974^2 + 191294^2 .

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, 3164338 + ... + 5500894.

Almost surely, 2^{10123404243112} is an apocalyptic number.

It is an amenable number.

10123404243112 is a deficient number, since it is larger than the sum of its proper divisors (8858021884748).

10123404243112 is a wasteful number, since it uses less digits than its factorization.

10123404243112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878140 (or 2878136 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 10123404243112 its reverse (21134240432101), we get a palindrome (31257644675213).

The spelling of 10123404243112 in words is "ten trillion, one hundred twenty-three billion, four hundred four million, two hundred forty-three thousand, one hundred twelve".