121140244234440 has 96 divisors (see below), whose sum is σ = 393707156281920. Its totient is φ = 32303953332864.

The previous prime is 121140244234433. The next prime is 121140244234463. The reversal of 121140244234440 is 44432442041121.

121140244234440 is a `hidden beast` number, since 1 + 2 + 1 + 140 + 2 + 4 + 42 + 34 + 440 = 666.

It is a super-3 number, since 3×121140244234440³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 121140244234395 and 121140244234404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191154339 + ... + 191787021.

It is an arithmetic number, because the mean of its divisors is an integer number (4101116211270).

Almost surely, 2^{121140244234440} is an apocalyptic number.

121140244234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121140244234440 is an abundant number, since it is smaller than the sum of its proper divisors (272566912047480).

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

121140244234440 is a wasteful number, since it uses less digits than its factorization.

121140244234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164563 (or 1164556 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 121140244234440 its reverse (44432442041121), we get a palindrome (165572686275561).

The spelling of 121140244234440 in words is "one hundred twenty-one trillion, one hundred forty billion, two hundred forty-four million, two hundred thirty-four thousand, four hundred forty".