121036435242 has 16 divisors (see below), whose sum is σ = 242077547712. Its totient is φ = 40344698880.

The previous prime is 121036435213. The next prime is 121036435379. The reversal of 121036435242 is 242534630121.

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, 204483 + ... + 532809.

It is an arithmetic number, because the mean of its divisors is an integer number (15129846732).

Almost surely, 2^121036435242 is an apocalyptic number.

121036435242 is an abundant number, since it is smaller than the sum of its proper divisors (121041112470).

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

121036435242 is a wasteful number, since it uses less digits than its factorization.

121036435242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389773.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 121036435242 in words is "one hundred twenty-one billion, thirty-six million, four hundred thirty-five thousand, two hundred forty-two".