121344500040 has 32 divisors (see below), whose sum is σ = 364033500480. Its totient is φ = 32358533312.

The previous prime is 121344500033. The next prime is 121344500083. The reversal of 121344500040 is 40005443121.

121344500040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505601964 + ... + 505602203.

It is an arithmetic number, because the mean of its divisors is an integer number (11376046890).

Almost surely, 2^121344500040 is an apocalyptic number.

121344500040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121344500040 is an abundant number, since it is smaller than the sum of its proper divisors (242689000440).

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

121344500040 is a wasteful number, since it uses less digits than its factorization.

121344500040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011204181 (or 1011204177 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 121344500040 its reverse (40005443121), we get a palindrome (161349943161).

The spelling of 121344500040 in words is "one hundred twenty-one billion, three hundred forty-four million, five hundred thousand, forty".