12101100010212 has 24 divisors (see below), whose sum is σ = 28698783632512. Its totient is φ = 3967573773600.

The previous prime is 12101100010211. The next prime is 12101100010249. The reversal of 12101100010212 is 21201000110121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12101100010211) 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, 8265777964 + ... + 8265779427.

Almost surely, 2^{12101100010212} is an apocalyptic number.

12101100010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101100010212 is an abundant number, since it is smaller than the sum of its proper divisors (16597683622300).

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

12101100010212 is a wasteful number, since it uses less digits than its factorization.

12101100010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16531557459 (or 16531557457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101100010212 its reverse (21201000110121), we get a palindrome (33302100120333).

Subtracting 12101100010212 from its reverse (21201000110121), we obtain a palindrome (9099900099909).

The spelling of 12101100010212 in words is "twelve trillion, one hundred one billion, one hundred million, ten thousand, two hundred twelve".