12200011010121 has 32 divisors (see below), whose sum is σ = 18125142386688. Its totient is φ = 7235786082240.

The previous prime is 12200011010093. The next prime is 12200011010129. The reversal of 12200011010121 is 12101011000221.

It is not a de Polignac number, because 12200011010121 - 2¹⁹ = 12200010485833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12200011010097 and 12200011010106.

It is not an unprimeable number, because it can be changed into a prime (12200011010129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13004766 + ... + 13911288.

It is an arithmetic number, because the mean of its divisors is an integer number (566410699584).

Almost surely, 2^{12200011010121} is an apocalyptic number.

12200011010121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12200011010121 is a deficient number, since it is larger than the sum of its proper divisors (5925131376567).

12200011010121 is a wasteful number, since it uses less digits than its factorization.

12200011010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915261.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12200011010121 its reverse (12101011000221), we get a palindrome (24301022010342).

It can be divided in two parts, 122000 and 11010121, that added together give a triangular number (11132121 = T₄₇₁₈).

The spelling of 12200011010121 in words is "twelve trillion, two hundred billion, eleven million, ten thousand, one hundred twenty-one".