101002012 has 24 divisors (see below), whose sum is σ = 187110000. Its totient is φ = 47623296.

The previous prime is 101002009. The next prime is 101002019. The reversal of 101002012 is 210200101.

It is a junction number, because it is equal to n+sod(n) for n = 101001986 and 101002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5137 + ... + 15112.

It is an arithmetic number, because the mean of its divisors is an integer number (7796250).

Almost surely, 2^101002012 is an apocalyptic number.

It is an amenable number.

101002012 is a deficient number, since it is larger than the sum of its proper divisors (86107988).

101002012 is a wasteful number, since it uses less digits than its factorization.

101002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20325 (or 20323 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101002012 is about 10049.9757213637. The cubic root of 101002012 is about 465.7040431371.

Adding to 101002012 its reverse (210200101), we get a palindrome (311202113).

The spelling of 101002012 in words is "one hundred one million, two thousand, twelve".