121040341340 has 48 divisors (see below), whose sum is σ = 266079873024. Its totient is φ = 46194388800.

The previous prime is 121040341333. The next prime is 121040341363. The reversal of 121040341340 is 43143040121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330814 + ... + 1418853.

It is an arithmetic number, because the mean of its divisors is an integer number (5543330688).

Almost surely, 2^121040341340 is an apocalyptic number.

121040341340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121040341340 is an abundant number, since it is smaller than the sum of its proper divisors (145039531684).

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

121040341340 is a wasteful number, since it uses less digits than its factorization.

121040341340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749778 (or 2749776 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121040341340 its reverse (43143040121), we get a palindrome (164183381461).

The spelling of 121040341340 in words is "one hundred twenty-one billion, forty million, three hundred forty-one thousand, three hundred forty".