101000000001212 has 48 divisors (see below), whose sum is σ = 202348178340000. Its totient is φ = 43724696313600.

The previous prime is 101000000001181. The next prime is 101000000001281. The reversal of 101000000001212 is 212100000000101.

It is a self number, because there is not a number n which added to its sum of digits gives 101000000001212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505973087 + ... + 506172662.

It is an arithmetic number, because the mean of its divisors is an integer number (4215587048750).

Almost surely, 2^{101000000001212} is an apocalyptic number.

It is an amenable number.

101000000001212 is an abundant number, since it is smaller than the sum of its proper divisors (101348178338788).

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

101000000001212 is a wasteful number, since it uses less digits than its factorization.

101000000001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012145886 (or 1012145884 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101000000001212 its reverse (212100000000101), we get a palindrome (313100000001313).

The spelling of 101000000001212 in words is "one hundred one trillion, one thousand, two hundred twelve".