12021131200101 has 4 divisors (see below), whose sum is σ = 16028174933472. Its totient is φ = 8014087466732.

The previous prime is 12021131200081. The next prime is 12021131200103. The reversal of 12021131200101 is 10100213112021.

12021131200101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12021131200101 - 2⁵ = 12021131200069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021131200103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003521866681 + ... + 2003521866686.

It is an arithmetic number, because the mean of its divisors is an integer number (4007043733368).

Almost surely, 2^{12021131200101} is an apocalyptic number.

It is an amenable number.

12021131200101 is a deficient number, since it is larger than the sum of its proper divisors (4007043733371).

12021131200101 is an equidigital number, since it uses as much as digits as its factorization.

12021131200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007043733370.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12021131200101 its reverse (10100213112021), we get a palindrome (22121344312122).

The spelling of 12021131200101 in words is "twelve trillion, twenty-one billion, one hundred thirty-one million, two hundred thousand, one hundred one".