121230210013 has 8 divisors (see below), whose sum is σ = 132267904416. Its totient is φ = 110195310000.

The previous prime is 121230209977. The next prime is 121230210043. The reversal of 121230210013 is 310012032121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121230210013 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 (121230210043) 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, 607363 + ... + 781888.

It is an arithmetic number, because the mean of its divisors is an integer number (16533488052).

Almost surely, 2^121230210013 is an apocalyptic number.

It is an amenable number.

121230210013 is a deficient number, since it is larger than the sum of its proper divisors (11037694403).

121230210013 is a wasteful number, since it uses less digits than its factorization.

121230210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397195.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121230210013 its reverse (310012032121), we get a palindrome (431242242134).

The spelling of 121230210013 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred ten thousand, thirteen".