121334333142 has 32 divisors (see below), whose sum is σ = 264752360064. Its totient is φ = 36764798400.

The previous prime is 121334333123. The next prime is 121334333143. The reversal of 121334333142 is 241333433121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121334333143) 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, 754842 + ... + 901362.

It is an arithmetic number, because the mean of its divisors is an integer number (8273511252).

Almost surely, 2^121334333142 is an apocalyptic number.

121334333142 is an abundant number, since it is smaller than the sum of its proper divisors (143418026922).

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

121334333142 is a wasteful number, since it uses less digits than its factorization.

121334333142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159084.

The product of its digits is 15552, while the sum is 30.

Adding to 121334333142 its reverse (241333433121), we get a palindrome (362667766263).

The spelling of 121334333142 in words is "one hundred twenty-one billion, three hundred thirty-four million, three hundred thirty-three thousand, one hundred forty-two".