12212110100 has 36 divisors (see below), whose sum is σ = 26895820224. Its totient is φ = 4811933280.

The previous prime is 12212110093. The next prime is 12212110109. The reversal of 12212110100 is 101121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212110109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904652 + ... + 918051.

Almost surely, 2^12212110100 is an apocalyptic number.

12212110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212110100 is an abundant number, since it is smaller than the sum of its proper divisors (14683710124).

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

12212110100 is a wasteful number, since it uses less digits than its factorization.

12212110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822784 (or 1822777 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12212110100 its reverse (101121221), we get a palindrome (12313231321).

The spelling of 12212110100 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, one hundred".