101220002012 has 6 divisors (see below), whose sum is σ = 177135003528. Its totient is φ = 50610001004.

The previous prime is 101220002011. The next prime is 101220002063. The reversal of 101220002012 is 210200022101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101220001984 and 101220002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220002011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652500248 + ... + 12652500255.

It is an arithmetic number, because the mean of its divisors is an integer number (29522500588).

Almost surely, 2^101220002012 is an apocalyptic number.

It is an amenable number.

101220002012 is a deficient number, since it is larger than the sum of its proper divisors (75915001516).

101220002012 is a wasteful number, since it uses less digits than its factorization.

101220002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25305000507 (or 25305000505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101220002012 its reverse (210200022101), we get a palindrome (311420024113).

The spelling of 101220002012 in words is "one hundred one billion, two hundred twenty million, two thousand, twelve".