121042322000 has 80 divisors (see below), whose sum is σ = 296690012112. Its totient is φ = 47753625600.

The previous prime is 121042321999. The next prime is 121042322029. The reversal of 121042322000 is 223240121.

It can be written as a sum of positive squares in 8 ways, for example, as 74249710144 + 46792611856 = 272488^2 + 216316^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 121042322000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268529 + ... + 560528.

Almost surely, 2^121042322000 is an apocalyptic number.

121042322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121042322000 is an abundant number, since it is smaller than the sum of its proper divisors (175647690112).

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

121042322000 is an equidigital number, since it uses as much as digits as its factorization.

121042322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829153 (or 829137 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121042322000 its reverse (223240121), we get a palindrome (121265562121).

The spelling of 121042322000 in words is "one hundred twenty-one billion, forty-two million, three hundred twenty-two thousand".