100101210101212 has 12 divisors (see below), whose sum is σ = 175188702804976. Its totient is φ = 50047295014080.

The previous prime is 100101210101183. The next prime is 100101210101213. The reversal of 100101210101212 is 212101012101001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100101210101192 and 100101210101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101210101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827441088 + ... + 827562055.

Almost surely, 2^{100101210101212} is an apocalyptic number.

It is an amenable number.

100101210101212 is a deficient number, since it is larger than the sum of its proper divisors (75087492703764).

100101210101212 is a wasteful number, since it uses less digits than its factorization.

100101210101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655018268 (or 1655018266 counting only the distinct ones).

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

Adding to 100101210101212 its reverse (212101012101001), we get a palindrome (312202222202213).

It can be divided in two parts, 1001012 and 10101212, that added together give a square (11102224 = 3332²).

The spelling of 100101210101212 in words is "one hundred trillion, one hundred one billion, two hundred ten million, one hundred one thousand, two hundred twelve".