121337000367440 has 160 divisors (see below), whose sum is σ = 331485258335616. Its totient is φ = 40721491630080.

The previous prime is 121337000367403. The next prime is 121337000367469. The reversal of 121337000367440 is 44763000733121.

121337000367440 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 31 ways as a sum of consecutive naturals, for example, 65750774 + ... + 67570986.

Almost surely, 2^{121337000367440} is an apocalyptic number.

121337000367440 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 121337000367440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165742629167808).

121337000367440 is an abundant number, since it is smaller than the sum of its proper divisors (210148257968176).

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

121337000367440 is a wasteful number, since it uses less digits than its factorization.

121337000367440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826077 (or 1826071 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 121337000367440 in words is "one hundred twenty-one trillion, three hundred thirty-seven billion, three hundred sixty-seven thousand, four hundred forty".