121189346496 has 84 divisors (see below), whose sum is σ = 367800785352. Its totient is φ = 38020184064.

The previous prime is 121189346489. The next prime is 121189346497. The reversal of 121189346496 is 694643981121.

121189346496 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 8 + 93 + 464 + 96 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121189346497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6178390 + ... + 6197973.

It is an arithmetic number, because the mean of its divisors is an integer number (4378580778).

Almost surely, 2^121189346496 is an apocalyptic number.

121189346496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121189346496 is an abundant number, since it is smaller than the sum of its proper divisors (246611438856).

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

121189346496 is a wasteful number, since it uses less digits than its factorization.

121189346496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12376398 (or 12376385 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 121189346496 in words is "one hundred twenty-one billion, one hundred eighty-nine million, three hundred forty-six thousand, four hundred ninety-six".