121142423334 has 32 divisors (see below), whose sum is σ = 259076887776. Its totient is φ = 37629171200.

The previous prime is 121142423333. The next prime is 121142423341. The reversal of 121142423334 is 433324241121.

121142423334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121142423334³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121142423333) 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 15 ways as a sum of consecutive naturals, for example, 5869257 + ... + 5889860.

It is an arithmetic number, because the mean of its divisors is an integer number (8096152743).

Almost surely, 2^121142423334 is an apocalyptic number.

121142423334 is an abundant number, since it is smaller than the sum of its proper divisors (137934464442).

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

121142423334 is a wasteful number, since it uses less digits than its factorization.

121142423334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11759240.

The product of its digits is 13824, while the sum is 30.

Adding to 121142423334 its reverse (433324241121), we get a palindrome (554466664455).

The spelling of 121142423334 in words is "one hundred twenty-one billion, one hundred forty-two million, four hundred twenty-three thousand, three hundred thirty-four".