121533306604 has 24 divisors (see below), whose sum is σ = 221367026160. Its totient is φ = 58311296064.

The previous prime is 121533306589. The next prime is 121533306649. The reversal of 121533306604 is 406603335121.

It is a super-2 number, since 2×121533306604² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121533306604.

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, 3194899 + ... + 3232714.

It is an arithmetic number, because the mean of its divisors is an integer number (9223626090).

Almost surely, 2^121533306604 is an apocalyptic number.

It is an amenable number.

121533306604 is a deficient number, since it is larger than the sum of its proper divisors (99833719556).

121533306604 is a wasteful number, since it uses less digits than its factorization.

121533306604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427809 (or 6427807 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 121533306604 in words is "one hundred twenty-one billion, five hundred thirty-three million, three hundred six thousand, six hundred four".