121452520030 has 16 divisors (see below), whose sum is σ = 223698595824. Its totient is φ = 47451216960.

The previous prime is 121452520003. The next prime is 121452520061. The reversal of 121452520030 is 30025254121.

It is a junction number, because it is equal to n+sod(n) for n = 121452519977 and 121452520004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141223431 + ... + 141224290.

It is an arithmetic number, because the mean of its divisors is an integer number (13981162239).

Almost surely, 2^121452520030 is an apocalyptic number.

121452520030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121452520030 is a deficient number, since it is larger than the sum of its proper divisors (102246075794).

121452520030 is a wasteful number, since it uses less digits than its factorization.

121452520030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282447771.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 121452520030 its reverse (30025254121), we get a palindrome (151477774151).

The spelling of 121452520030 in words is "one hundred twenty-one billion, four hundred fifty-two million, five hundred twenty thousand, thirty".