101312012 has 12 divisors (see below), whose sum is σ = 178923360. Its totient is φ = 50191056.

The previous prime is 101311997. The next prime is 101312023. The reversal of 101312012 is 210213101.

It is a super-3 number, since 3×101312012³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101311984 and 101312002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115748 + ... + 116619.

It is an arithmetic number, because the mean of its divisors is an integer number (14910280).

Almost surely, 2^101312012 is an apocalyptic number.

It is an amenable number.

101312012 is a deficient number, since it is larger than the sum of its proper divisors (77611348).

101312012 is a wasteful number, since it uses less digits than its factorization.

101312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232480 (or 232478 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101312012 is about 10065.3868281353. The cubic root of 101312012 is about 466.1800099068.

Adding to 101312012 its reverse (210213101), we get a palindrome (311525113).

The spelling of 101312012 in words is "one hundred one million, three hundred twelve thousand, twelve".