121302323010 has 128 divisors (see below), whose sum is σ = 371452262400. Its totient is φ = 27858893760.

The previous prime is 121302322919. The next prime is 121302323063. The reversal of 121302323010 is 10323203121.

121302323010 is a `hidden beast` number, since 1 + 2 + 130 + 232 + 301 + 0 = 666.

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

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, 1018374 + ... + 1131233.

It is an arithmetic number, because the mean of its divisors is an integer number (2901970800).

Almost surely, 2^121302323010 is an apocalyptic number.

121302323010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121302323010 is an abundant number, since it is smaller than the sum of its proper divisors (250149939390).

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

121302323010 is a wasteful number, since it uses less digits than its factorization.

121302323010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149653 (or 2149647 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121302323010 its reverse (10323203121), we get a palindrome (131625526131).

The spelling of 121302323010 in words is "one hundred twenty-one billion, three hundred two million, three hundred twenty-three thousand, ten".