101212021110012 has 24 divisors (see below), whose sum is σ = 241921416312912. Its totient is φ = 32914478409600.

The previous prime is 101212021110007. The next prime is 101212021110017. The reversal of 101212021110012 is 210011120212101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101212021110007) and next prime (101212021110017).

It is a junction number, because it is equal to n+sod(n) for n = 101212021109973 and 101212021110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212021110017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102857744539 + ... + 102857745522.

It is an arithmetic number, because the mean of its divisors is an integer number (10080059013038).

Almost surely, 2^{101212021110012} is an apocalyptic number.

101212021110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101212021110012 is an abundant number, since it is smaller than the sum of its proper divisors (140709395202900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212021110012 is a wasteful number, since it uses less digits than its factorization.

101212021110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205715490109 (or 205715490107 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101212021110012 its reverse (210011120212101), we get a palindrome (311223141322113).

The spelling of 101212021110012 in words is "one hundred one trillion, two hundred twelve billion, twenty-one million, one hundred ten thousand, twelve".