12021231121201 has 8 divisors (see below), whose sum is σ = 12409119473408. Its totient is φ = 11633349438000.

The previous prime is 12021231121199. The next prime is 12021231121271. The reversal of 12021231121201 is 10212113212021.

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 12021231121201 - 2¹ = 12021231121199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021231121271) 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, 2133586 + ... + 5347396.

It is an arithmetic number, because the mean of its divisors is an integer number (1551139934176).

Almost surely, 2^{12021231121201} is an apocalyptic number.

It is an amenable number.

12021231121201 is a deficient number, since it is larger than the sum of its proper divisors (387888352207).

12021231121201 is a wasteful number, since it uses less digits than its factorization.

12021231121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334503.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12021231121201 its reverse (10212113212021), we get a palindrome (22233344333222).

The spelling of 12021231121201 in words is "twelve trillion, twenty-one billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred one".