12212002220100 has 36 divisors (see below), whose sum is σ = 35333393091024. Its totient is φ = 3256533925280.

The previous prime is 12212002220087. The next prime is 12212002220113. The reversal of 12212002220100 is 102220021221.

It is an interprime number because it is at equal distance from previous prime (12212002220087) and next prime (12212002220113).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12212002220100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20353336734 + ... + 20353337333.

Almost surely, 2^{12212002220100} is an apocalyptic number.

12212002220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212002220100 is an abundant number, since it is smaller than the sum of its proper divisors (23121390870924).

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

12212002220100 is a wasteful number, since it uses less digits than its factorization.

12212002220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40706674084 (or 40706674077 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12212002220100 its reverse (102220021221), we get a palindrome (12314222241321).

The spelling of 12212002220100 in words is "twelve trillion, two hundred twelve billion, two million, two hundred twenty thousand, one hundred".