121230113310 has 24 divisors (see below), whose sum is σ = 315198294840. Its totient is φ = 32328030192.

The previous prime is 121230113309. The next prime is 121230113317. The reversal of 121230113310 is 13311032121.

121230113310 is a `hidden beast` number, since 1 + 212 + 30 + 113 + 310 = 666.

It is a super-3 number, since 3×121230113310³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230113317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673500540 + ... + 673500719.

It is an arithmetic number, because the mean of its divisors is an integer number (13133262285).

Almost surely, 2^121230113310 is an apocalyptic number.

121230113310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230113310 is an abundant number, since it is smaller than the sum of its proper divisors (193968181530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121230113310 is a wasteful number, since it uses less digits than its factorization.

121230113310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347001272 (or 1347001269 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121230113310 its reverse (13311032121), we get a palindrome (134541145431).

The spelling of 121230113310 in words is "one hundred twenty-one billion, two hundred thirty million, one hundred thirteen thousand, three hundred ten".