121036131342 has 48 divisors (see below), whose sum is σ = 299851149312. Its totient is φ = 34565294160.

The previous prime is 121036131331. The next prime is 121036131347. The reversal of 121036131342 is 243131630121.

It is a happy number.

121036131342 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 3 + 613 + 1 + 3 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121036131347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38463 + ... + 493509.

It is an arithmetic number, because the mean of its divisors is an integer number (6246898944).

Almost surely, 2^121036131342 is an apocalyptic number.

121036131342 is an abundant number, since it is smaller than the sum of its proper divisors (178815017970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121036131342 is a wasteful number, since it uses less digits than its factorization.

121036131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457173 (or 457170 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 121036131342 its reverse (243131630121), we get a palindrome (364167761463).

The spelling of 121036131342 in words is "one hundred twenty-one billion, thirty-six million, one hundred thirty-one thousand, three hundred forty-two".