121312202213 has 8 divisors (see below), whose sum is σ = 123702773376. Its totient is φ = 118944954000.

The previous prime is 121312202201. The next prime is 121312202233. The reversal of 121312202213 is 312202213121.

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 121312202213 - 2⁶ = 121312202149 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 (121312202233) 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, 5820233 + ... + 5841038.

It is an arithmetic number, because the mean of its divisors is an integer number (15462846672).

Almost surely, 2^121312202213 is an apocalyptic number.

It is an amenable number.

121312202213 is a deficient number, since it is larger than the sum of its proper divisors (2390571163).

121312202213 is a wasteful number, since it uses less digits than its factorization.

121312202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661475.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121312202213 its reverse (312202213121), we get a palindrome (433514415334).

It can be divided in two parts, 121 and 312202213, that multiplied together give a palindrome (37776467773).

The spelling of 121312202213 in words is "one hundred twenty-one billion, three hundred twelve million, two hundred two thousand, two hundred thirteen".