121012330044500 has 48 divisors (see below), whose sum is σ = 264299899216080. Its totient is φ = 48403289088000.

The previous prime is 121012330044493. The next prime is 121012330044521. The reversal of 121012330044500 is 5440033210121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30152772251716 + 90859557792784 = 5491154^2 + 9532028^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121012330044500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10691960 + ... + 18877040.

It is an arithmetic number, because the mean of its divisors is an integer number (5506247900335).

Almost surely, 2^{121012330044500} is an apocalyptic number.

121012330044500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012330044500 is an abundant number, since it is smaller than the sum of its proper divisors (143287569171580).

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

121012330044500 is a wasteful number, since it uses less digits than its factorization.

121012330044500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214669 (or 8214657 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 121012330044500 its reverse (5440033210121), we get a palindrome (126452363254621).

The spelling of 121012330044500 in words is "one hundred twenty-one trillion, twelve billion, three hundred thirty million, forty-four thousand, five hundred".