121229391308 has 24 divisors (see below), whose sum is σ = 215041770048. Its totient is φ = 59791160016.

The previous prime is 121229391307. The next prime is 121229391317. The reversal of 121229391308 is 803193922121.

It is not an unprimeable number, because it can be changed into a prime (121229391307) 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, 70466 + ... + 497417.

It is an arithmetic number, because the mean of its divisors is an integer number (8960073752).

Almost surely, 2^121229391308 is an apocalyptic number.

It is an amenable number.

121229391308 is a deficient number, since it is larger than the sum of its proper divisors (93812378740).

121229391308 is a wasteful number, since it uses less digits than its factorization.

121229391308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568613 (or 568611 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 121229391308 in words is "one hundred twenty-one billion, two hundred twenty-nine million, three hundred ninety-one thousand, three hundred eight".