12021232202213 has 8 divisors (see below), whose sum is σ = 12992013344856. Its totient is φ = 11057032627200.

The previous prime is 12021232202201. The next prime is 12021232202269. The reversal of 12021232202213 is 31220223212021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3573850354369 + 8447381847844 = 1890463^2 + 2906438^2 .

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 12021232202213 - 2¹⁴ = 12021232185829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021232202113) 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, 1645388108 + ... + 1645395413.

It is an arithmetic number, because the mean of its divisors is an integer number (1624001668107).

Almost surely, 2^{12021232202213} is an apocalyptic number.

12021232202213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12021232202213 is a deficient number, since it is larger than the sum of its proper divisors (970781142643).

12021232202213 is a wasteful number, since it uses less digits than its factorization.

12021232202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290783815.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12021232202213 its reverse (31220223212021), we get a palindrome (43241455414234).

The spelling of 12021232202213 in words is "twelve trillion, twenty-one billion, two hundred thirty-two million, two hundred two thousand, two hundred thirteen".