12100102212 has 48 divisors (see below), whose sum is σ = 31171375872. Its totient is φ = 3622517280.

The previous prime is 12100102199. The next prime is 12100102219. The reversal of 12100102212 is 21220100121.

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 (12100102219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541258 + ... + 563169.

It is an arithmetic number, because the mean of its divisors is an integer number (649403664).

Almost surely, 2^12100102212 is an apocalyptic number.

12100102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12100102212 is an abundant number, since it is smaller than the sum of its proper divisors (19071273660).

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

12100102212 is a wasteful number, since it uses less digits than its factorization.

12100102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104528 (or 1104526 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12100102212 its reverse (21220100121), we get a palindrome (33320202333).

The spelling of 12100102212 in words is "twelve billion, one hundred million, one hundred two thousand, two hundred twelve".