101212100212 has 24 divisors (see below), whose sum is σ = 178767832320. Its totient is φ = 50136852480.

The previous prime is 101212100191. The next prime is 101212100237. The reversal of 101212100212 is 212001212101.

It is a junction number, because it is equal to n+sod(n) for n = 101212100192 and 101212100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158964 + ... + 477172.

It is an arithmetic number, because the mean of its divisors is an integer number (7448659680).

Almost surely, 2^101212100212 is an apocalyptic number.

It is an amenable number.

101212100212 is a deficient number, since it is larger than the sum of its proper divisors (77555732108).

101212100212 is a wasteful number, since it uses less digits than its factorization.

101212100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318951 (or 318949 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101212100212 its reverse (212001212101), we get a palindrome (313213312313).

The spelling of 101212100212 in words is "one hundred one billion, two hundred twelve million, one hundred thousand, two hundred twelve".