121448100624 has 80 divisors (see below), whose sum is σ = 334232774400. Its totient is φ = 37889935488.

The previous prime is 121448100601. The next prime is 121448100649. The reversal of 121448100624 is 426001844121.

It is a super-2 number, since 2×121448100624² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726514 + ... + 877905.

It is an arithmetic number, because the mean of its divisors is an integer number (4177909680).

Almost surely, 2^121448100624 is an apocalyptic number.

It is an amenable number.

121448100624 is an abundant number, since it is smaller than the sum of its proper divisors (212784673776).

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

121448100624 is a wasteful number, since it uses less digits than its factorization.

121448100624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604532 (or 1604526 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

Adding to 121448100624 its reverse (426001844121), we get a palindrome (547449944745).

The spelling of 121448100624 in words is "one hundred twenty-one billion, four hundred forty-eight million, one hundred thousand, six hundred twenty-four".