121230122310 has 128 divisors (see below), whose sum is σ = 360871441920. Its totient is φ = 28705622400.

The previous prime is 121230122297. The next prime is 121230122329. The reversal of 121230122310 is 13221032121.

121230122310 is a `hidden beast` number, since 1 + 2 + 1 + 230 + 122 + 310 = 666.

It is a super-2 number, since 2×121230122310² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 346921 + ... + 602340.

It is an arithmetic number, because the mean of its divisors is an integer number (2819308140).

Almost surely, 2^121230122310 is an apocalyptic number.

121230122310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230122310 is an abundant number, since it is smaller than the sum of its proper divisors (239641319610).

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

121230122310 is a wasteful number, since it uses less digits than its factorization.

121230122310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949331 (or 949325 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121230122310 its reverse (13221032121), we get a palindrome (134451154431).

The spelling of 121230122310 in words is "one hundred twenty-one billion, two hundred thirty million, one hundred twenty-two thousand, three hundred ten".