121402220000 has 120 divisors (see below), whose sum is σ = 300679533000. Its totient is φ = 48233792000.

The previous prime is 121402219921. The next prime is 121402220053. The reversal of 121402220000 is 22204121.

121402220000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2959631 + ... + 3000369.

It is an arithmetic number, because the mean of its divisors is an integer number (2505662775).

Almost surely, 2^121402220000 is an apocalyptic number.

121402220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121402220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150339766500).

121402220000 is an abundant number, since it is smaller than the sum of its proper divisors (179277313000).

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

121402220000 is an equidigital number, since it uses as much as digits as its factorization.

121402220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40918 (or 40895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121402220000 its reverse (22204121), we get a palindrome (121424424121).

The spelling of 121402220000 in words is "one hundred twenty-one billion, four hundred two million, two hundred twenty thousand".