121342222243134 has 48 divisors (see below), whose sum is σ = 271791372893040. Its totient is φ = 39098858785920.

The previous prime is 121342222243133. The next prime is 121342222243147. The reversal of 121342222243134 is 431342222243121.

121342222243134 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 422 + 2 + 224 + 3 + 1 + 3 + 4 = 666.

It is a super-2 number, since 2×121342222243134² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121342222243133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754141372 + ... + 754302255.

It is an arithmetic number, because the mean of its divisors is an integer number (5662320268605).

Almost surely, 2^{121342222243134} is an apocalyptic number.

121342222243134 is an abundant number, since it is smaller than the sum of its proper divisors (150449150649906).

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

121342222243134 is a wasteful number, since it uses less digits than its factorization.

121342222243134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508443785 (or 1508443782 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 121342222243134 its reverse (431342222243121), we get a palindrome (552684444486255).

The spelling of 121342222243134 in words is "one hundred twenty-one trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-three thousand, one hundred thirty-four".