101010123112 has 16 divisors (see below), whose sum is σ = 190488746340. Its totient is φ = 50213124096.

The previous prime is 101010123103. The next prime is 101010123119. The reversal of 101010123112 is 211321010101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77403029796 + 23607093316 = 278214^2 + 153646^2 .

It is a super-2 number, since 2×101010123112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101010123092 and 101010123101.

It is not an unprimeable number, because it can be changed into a prime (101010123119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36490713 + ... + 36493480.

Almost surely, 2^101010123112 is an apocalyptic number.

It is an amenable number.

101010123112 is a deficient number, since it is larger than the sum of its proper divisors (89478623228).

101010123112 is a wasteful number, since it uses less digits than its factorization.

101010123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72984372 (or 72984368 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101010123112 its reverse (211321010101), we get a palindrome (312331133213).

The spelling of 101010123112 in words is "one hundred one billion, ten million, one hundred twenty-three thousand, one hundred twelve".