121000032042 has 16 divisors (see below), whose sum is σ = 250344894240. Its totient is φ = 38942538992.

The previous prime is 121000032029. The next prime is 121000032061. The reversal of 121000032042 is 240230000121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347701068 + ... + 347701415.

It is an arithmetic number, because the mean of its divisors is an integer number (15646555890).

Almost surely, 2^121000032042 is an apocalyptic number.

121000032042 is an abundant number, since it is smaller than the sum of its proper divisors (129344862198).

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

121000032042 is a wasteful number, since it uses less digits than its factorization.

121000032042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695402517.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 121000032042 its reverse (240230000121), we get a palindrome (361230032163).

The spelling of 121000032042 in words is "one hundred twenty-one billion, thirty-two thousand, forty-two".