12212030100 has 72 divisors (see below), whose sum is σ = 36155220640. Its totient is φ = 3180804480.

The previous prime is 12212030093. The next prime is 12212030137. The reversal of 12212030100 is 103021221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460435 + ... + 486234.

Almost surely, 2^12212030100 is an apocalyptic number.

12212030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212030100 is an abundant number, since it is smaller than the sum of its proper divisors (23943190540).

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

12212030100 is a wasteful number, since it uses less digits than its factorization.

12212030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946729 (or 946722 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12212030100 its reverse (103021221), we get a palindrome (12315051321).

The spelling of 12212030100 in words is "twelve billion, two hundred twelve million, thirty thousand, one hundred".