121340422000 has 160 divisors (see below), whose sum is σ = 352964551680. Its totient is φ = 39412742400.

The previous prime is 121340421973. The next prime is 121340422001. The reversal of 121340422000 is 224043121.

121340422000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121340422000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340422001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37917 + ... + 494083.

It is an arithmetic number, because the mean of its divisors is an integer number (2206028448).

Almost surely, 2^121340422000 is an apocalyptic number.

121340422000 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 121340422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176482275840).

121340422000 is an abundant number, since it is smaller than the sum of its proper divisors (231624129680).

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

121340422000 is a wasteful number, since it uses less digits than its factorization.

121340422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456216 (or 456200 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 121340422000 its reverse (224043121), we get a palindrome (121564465121).

The spelling of 121340422000 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-two thousand".