121123201232213 has 8 divisors (see below), whose sum is σ = 126482292524736. Its totient is φ = 115771848702400.

The previous prime is 121123201232153. The next prime is 121123201232309. The reversal of 121123201232213 is 312232102321121.

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 121123201232213 - 2¹⁴ = 121123201215829 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 (121123201232713) 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, 1934658683 + ... + 1934721288.

It is an arithmetic number, because the mean of its divisors is an integer number (15810286565592).

Almost surely, 2^{121123201232213} is an apocalyptic number.

It is an amenable number.

121123201232213 is a deficient number, since it is larger than the sum of its proper divisors (5359091292523).

121123201232213 is a wasteful number, since it uses less digits than its factorization.

121123201232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869381355.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 121123201232213 its reverse (312232102321121), we get a palindrome (433355303553334).

The spelling of 121123201232213 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred one million, two hundred thirty-two thousand, two hundred thirteen".