121432555342 has 8 divisors (see below), whose sum is σ = 208170094896. Its totient is φ = 52042523712.

The previous prime is 121432555339. The next prime is 121432555367. The reversal of 121432555342 is 243555234121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4336876963 + ... + 4336876990.

It is an arithmetic number, because the mean of its divisors is an integer number (26021261862).

Almost surely, 2^121432555342 is an apocalyptic number.

121432555342 is a deficient number, since it is larger than the sum of its proper divisors (86737539554).

121432555342 is an equidigital number, since it uses as much as digits as its factorization.

121432555342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673753962.

The product of its digits is 144000, while the sum is 37.

Adding to 121432555342 its reverse (243555234121), we get a palindrome (364987789463).

The spelling of 121432555342 in words is "one hundred twenty-one billion, four hundred thirty-two million, five hundred fifty-five thousand, three hundred forty-two".