121342430001 has 16 divisors (see below), whose sum is σ = 174245512896. Its totient is φ = 74667880896.

The previous prime is 121342429997. The next prime is 121342430029. The reversal of 121342430001 is 100034243121.

It is not a de Polignac number, because 121342430001 - 2² = 121342429997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121342430001.

It is not an unprimeable number, because it can be changed into a prime (121342430501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659686 + ... + 823328.

It is an arithmetic number, because the mean of its divisors is an integer number (10890344556).

Almost surely, 2^121342430001 is an apocalyptic number.

It is an amenable number.

121342430001 is a deficient number, since it is larger than the sum of its proper divisors (52903082895).

121342430001 is a wasteful number, since it uses less digits than its factorization.

121342430001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182672.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121342430001 its reverse (100034243121), we get a palindrome (221376673122).

The spelling of 121342430001 in words is "one hundred twenty-one billion, three hundred forty-two million, four hundred thirty thousand, one".