12200011021 has 8 divisors (see below), whose sum is σ = 13324289184. Its totient is φ = 11078263920.

The previous prime is 12200010983. The next prime is 12200011037. The reversal of 12200011021 is 12011000221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12200011021 - 2²¹ = 12197913869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200010989 and 12200011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200011051) 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, 622675 + ... + 641968.

It is an arithmetic number, because the mean of its divisors is an integer number (1665536148).

Almost surely, 2^12200011021 is an apocalyptic number.

12200011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12200011021 is a deficient number, since it is larger than the sum of its proper divisors (1124278163).

12200011021 is a wasteful number, since it uses less digits than its factorization.

12200011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265531.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12200011021 its reverse (12011000221), we get a palindrome (24211011242).

The spelling of 12200011021 in words is "twelve billion, two hundred million, eleven thousand, twenty-one".