121230020441340 has 144 divisors (see below), whose sum is σ = 402788587481280. Its totient is φ = 29377173288960.

The previous prime is 121230020441279. The next prime is 121230020441351. The reversal of 121230020441340 is 43144020032121.

121230020441340 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 3 + 0 + 0 + 204 + 413 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682974256 + ... + 683151735.

It is an arithmetic number, because the mean of its divisors is an integer number (2797142968620).

Almost surely, 2^{121230020441340} is an apocalyptic number.

121230020441340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121230020441340 is an abundant number, since it is smaller than the sum of its proper divisors (281558567039940).

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

121230020441340 is a wasteful number, since it uses less digits than its factorization.

121230020441340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366126052 (or 1366126047 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 121230020441340 its reverse (43144020032121), we get a palindrome (164374040473461).

The spelling of 121230020441340 in words is "one hundred twenty-one trillion, two hundred thirty billion, twenty million, four hundred forty-one thousand, three hundred forty".