121790355306 has 8 divisors (see below), whose sum is σ = 243580710624. Its totient is φ = 40596785100.

The previous prime is 121790355301. The next prime is 121790355331. The reversal of 121790355306 is 603553097121.

It is a sphenic number, since it is the product of 3 distinct primes.

121790355306 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121790355301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10149196270 + ... + 10149196281.

It is an arithmetic number, because the mean of its divisors is an integer number (30447588828).

Almost surely, 2^121790355306 is an apocalyptic number.

121790355306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121790355306 is a wasteful number, since it uses less digits than its factorization.

121790355306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20298392556.

The product of its (nonzero) digits is 170100, while the sum is 42.

The spelling of 121790355306 in words is "one hundred twenty-one billion, seven hundred ninety million, three hundred fifty-five thousand, three hundred six".