4321012121000 has 64 divisors (see below), whose sum is σ = 10232989865280. Its totient is φ = 1707580660800.

The previous prime is 4321012120987. The next prime is 4321012121071. The reversal of 4321012121000 is 1212101234.

4321012121000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4321012121000² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4321012121000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25947194 + ... + 26113193.

It is an arithmetic number, because the mean of its divisors is an integer number (159890466645).

Almost surely, 2^{4321012121000} is an apocalyptic number.

4321012121000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4321012121000 is an abundant number, since it is smaller than the sum of its proper divisors (5911977744280).

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

4321012121000 is a wasteful number, since it uses less digits than its factorization.

4321012121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52060491 (or 52060477 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 4321012121000 its reverse (1212101234), we get a palindrome (4322224222234).

The spelling of 4321012121000 in words is "four trillion, three hundred twenty-one billion, twelve million, one hundred twenty-one thousand".