121142134221230 has 32 divisors (see below), whose sum is σ = 225106938950400. Its totient is φ = 46890179804160.

The previous prime is 121142134221209. The next prime is 121142134221271. The reversal of 121142134221230 is 32122431241121.

It is a super-3 number, since 3×121142134221230³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121142134221193 and 121142134221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10686005 + ... + 18880544.

It is an arithmetic number, because the mean of its divisors is an integer number (7034591842200).

Almost surely, 2^{121142134221230} is an apocalyptic number.

121142134221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121142134221230 is a deficient number, since it is larger than the sum of its proper divisors (103964804729170).

121142134221230 is a wasteful number, since it uses less digits than its factorization.

121142134221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29579804.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 121142134221230 its reverse (32122431241121), we get a palindrome (153264565462351).

The spelling of 121142134221230 in words is "one hundred twenty-one trillion, one hundred forty-two billion, one hundred thirty-four million, two hundred twenty-one thousand, two hundred thirty".