12021231001213 has 8 divisors (see below), whose sum is σ = 13752413043200. Its totient is φ = 10293514791120.

The previous prime is 12021231001193. The next prime is 12021231001229. The reversal of 12021231001213 is 31210013212021.

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 12021231001213 - 2¹⁷ = 12021230870141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021231001313) 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, 866450538 + ... + 866464411.

It is an arithmetic number, because the mean of its divisors is an integer number (1719051630400).

Almost surely, 2^{12021231001213} is an apocalyptic number.

It is an amenable number.

12021231001213 is a deficient number, since it is larger than the sum of its proper divisors (1731182041987).

12021231001213 is an equidigital number, since it uses as much as digits as its factorization.

12021231001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732915947.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12021231001213 its reverse (31210013212021), we get a palindrome (43231244213234).

The spelling of 12021231001213 in words is "twelve trillion, twenty-one billion, two hundred thirty-one million, one thousand, two hundred thirteen".