100101212101012 has 6 divisors (see below), whose sum is σ = 175177121176778. Its totient is φ = 50050606050504.

The previous prime is 100101212100979. The next prime is 100101212101021. The reversal of 100101212101012 is 210101212101001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82900915740036 + 17200296360976 = 9104994^2 + 4147324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100101212100983 and 100101212101001.

It is a congruent number.

It is an unprimeable number.

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, 12512651512623 + ... + 12512651512630.

Almost surely, 2^{100101212101012} is an apocalyptic number.

It is an amenable number.

100101212101012 is a deficient number, since it is larger than the sum of its proper divisors (75075909075766).

100101212101012 is a wasteful number, since it uses less digits than its factorization.

100101212101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025303025257 (or 25025303025255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100101212101012 its reverse (210101212101001), we get a palindrome (310202424202013).

The spelling of 100101212101012 in words is "one hundred trillion, one hundred one billion, two hundred twelve million, one hundred one thousand, twelve".