121602150552 has 64 divisors (see below), whose sum is σ = 317266709760. Its totient is φ = 38766358400.

The previous prime is 121602150503. The next prime is 121602150581. The reversal of 121602150552 is 255051206121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6620902 + ... + 6639242.

It is an arithmetic number, because the mean of its divisors is an integer number (4957292340).

Almost surely, 2^121602150552 is an apocalyptic number.

121602150552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121602150552 is an abundant number, since it is smaller than the sum of its proper divisors (195664559208).

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

121602150552 is a wasteful number, since it uses less digits than its factorization.

121602150552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30384 (or 30380 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 121602150552 its reverse (255051206121), we get a palindrome (376653356673).

The spelling of 121602150552 in words is "one hundred twenty-one billion, six hundred two million, one hundred fifty thousand, five hundred fifty-two".