12200300155021 has 24 divisors (see below), whose sum is σ = 14190390490752. Its totient is φ = 10459534562400.

The previous prime is 12200300155007. The next prime is 12200300155031. The reversal of 12200300155021 is 12055100300221.

It is not a de Polignac number, because 12200300155021 - 2¹⁵ = 12200300122253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200300154983 and 12200300155001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200300155031) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30674706 + ... + 31069891.

It is an arithmetic number, because the mean of its divisors is an integer number (591266270448).

Almost surely, 2^{12200300155021} is an apocalyptic number.

12200300155021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12200300155021 is a deficient number, since it is larger than the sum of its proper divisors (1990090335731).

12200300155021 is a wasteful number, since it uses less digits than its factorization.

12200300155021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61744713 (or 61744702 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 12200300155021 its reverse (12055100300221), we get a palindrome (24255400455242).

It can be divided in two parts, 12200300 and 155021, that added together give a palindrome (12355321).

The spelling of 12200300155021 in words is "twelve trillion, two hundred billion, three hundred million, one hundred fifty-five thousand, twenty-one".