121483773467440 has 40 divisors (see below), whose sum is σ = 282600253028880. Its totient is φ = 48567620403456.

The previous prime is 121483773467437. The next prime is 121483773467443. The reversal of 121483773467440 is 44764377384121.

It is an interprime number because it is at equal distance from previous prime (121483773467437) and next prime (121483773467443).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (121483773467443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404364270 + ... + 404664589.

It is an arithmetic number, because the mean of its divisors is an integer number (7065006325722).

Almost surely, 2^{121483773467440} is an apocalyptic number.

121483773467440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121483773467440 is an abundant number, since it is smaller than the sum of its proper divisors (161116479561440).

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

121483773467440 is a wasteful number, since it uses less digits than its factorization.

121483773467440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809030749 (or 809030743 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 61.

The spelling of 121483773467440 in words is "one hundred twenty-one trillion, four hundred eighty-three billion, seven hundred seventy-three million, four hundred sixty-seven thousand, four hundred forty".