121015004130242 has 8 divisors (see below), whose sum is σ = 182113784718096. Its totient is φ = 60310409224212.

The previous prime is 121015004130233. The next prime is 121015004130253. The reversal of 121015004130242 is 242031400510121.

It is a happy number.

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

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, 98546419688 + ... + 98546420915.

It is an arithmetic number, because the mean of its divisors is an integer number (22764223089762).

Almost surely, 2^{121015004130242} is an apocalyptic number.

121015004130242 is a deficient number, since it is larger than the sum of its proper divisors (61098780587854).

121015004130242 is a wasteful number, since it uses less digits than its factorization.

121015004130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197092840912.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 121015004130242 its reverse (242031400510121), we get a palindrome (363046404640363).

The spelling of 121015004130242 in words is "one hundred twenty-one trillion, fifteen billion, four million, one hundred thirty thousand, two hundred forty-two".