100211223012 has 12 divisors (see below), whose sum is σ = 233826187056. Its totient is φ = 33403741000.

The previous prime is 100211222959. The next prime is 100211223017. The reversal of 100211223012 is 210322112001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 100211222982 and 100211223000.

It is not an unprimeable number, because it can be changed into a prime (100211223017) 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, 4175467614 + ... + 4175467637.

It is an arithmetic number, because the mean of its divisors is an integer number (19485515588).

Almost surely, 2^100211223012 is an apocalyptic number.

100211223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100211223012 is an abundant number, since it is smaller than the sum of its proper divisors (133614964044).

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

100211223012 is a wasteful number, since it uses less digits than its factorization.

100211223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350935258 (or 8350935256 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100211223012 its reverse (210322112001), we get a palindrome (310533335013).

The spelling of 100211223012 in words is "one hundred billion, two hundred eleven million, two hundred twenty-three thousand, twelve".