121130055152300 has 144 divisors (see below), whose sum is σ = 280654966620000. Its totient is φ = 45219146158080.

The previous prime is 121130055152287. The next prime is 121130055152339. The reversal of 121130055152300 is 3251550031121.

It is a super-2 number, since 2×121130055152300² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195583526 + ... + 196201874.

It is an arithmetic number, because the mean of its divisors is an integer number (1948992823750).

Almost surely, 2^{121130055152300} is an apocalyptic number.

121130055152300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121130055152300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140327483310000).

121130055152300 is an abundant number, since it is smaller than the sum of its proper divisors (159524911467700).

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

121130055152300 is a wasteful number, since it uses less digits than its factorization.

121130055152300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619348 (or 619341 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 121130055152300 in words is "one hundred twenty-one trillion, one hundred thirty billion, fifty-five million, one hundred fifty-two thousand, three hundred".