121415443342 has 16 divisors (see below), whose sum is σ = 182545350912. Its totient is φ = 60567063480.

The previous prime is 121415443339. The next prime is 121415443363. The reversal of 121415443342 is 243344514121.

It is a junction number, because it is equal to n+sod(n) for n = 121415443298 and 121415443307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3939163 + ... + 3969865.

It is an arithmetic number, because the mean of its divisors is an integer number (11409084432).

Almost surely, 2^121415443342 is an apocalyptic number.

121415443342 is a deficient number, since it is larger than the sum of its proper divisors (61129907570).

121415443342 is a wasteful number, since it uses less digits than its factorization.

121415443342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35223.

The product of its digits is 46080, while the sum is 34.

Adding to 121415443342 its reverse (243344514121), we get a palindrome (364759957463).

The spelling of 121415443342 in words is "one hundred twenty-one billion, four hundred fifteen million, four hundred forty-three thousand, three hundred forty-two".