10100123112 has 32 divisors (see below), whose sum is σ = 25837526880. Its totient is φ = 3288411840.

The previous prime is 10100123039. The next prime is 10100123141. The reversal of 10100123112 is 21132100101.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 4892439 + ... + 4894502.

It is an arithmetic number, because the mean of its divisors is an integer number (807422715).

Almost surely, 2^10100123112 is an apocalyptic number.

10100123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10100123112 is an abundant number, since it is smaller than the sum of its proper divisors (15737403768).

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

10100123112 is a wasteful number, since it uses less digits than its factorization.

10100123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9786993 (or 9786989 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10100123112 its reverse (21132100101), we get a palindrome (31232223213).

The spelling of 10100123112 in words is "ten billion, one hundred million, one hundred twenty-three thousand, one hundred twelve".