121251410041142 has 8 divisors (see below), whose sum is σ = 182992925584056. Its totient is φ = 60253768179792.

The previous prime is 121251410041127. The next prime is 121251410041187. The reversal of 121251410041142 is 241140014152121.

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, 185968419983 + ... + 185968420634.

It is an arithmetic number, because the mean of its divisors is an integer number (22874115698007).

Almost surely, 2^{121251410041142} is an apocalyptic number.

121251410041142 is a deficient number, since it is larger than the sum of its proper divisors (61741515542914).

121251410041142 is a wasteful number, since it uses less digits than its factorization.

121251410041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371936840782.

The product of its (nonzero) digits is 2560, while the sum is 29.

Adding to 121251410041142 its reverse (241140014152121), we get a palindrome (362391424193263).

The spelling of 121251410041142 in words is "one hundred twenty-one trillion, two hundred fifty-one billion, four hundred ten million, forty-one thousand, one hundred forty-two".