121420324030 has 64 divisors (see below), whose sum is σ = 237612709440. Its totient is φ = 44525085696.

The previous prime is 121420324021. The next prime is 121420324133. The reversal of 121420324030 is 30423024121.

It is a junction number, because it is equal to n+sod(n) for n = 121420323992 and 121420324010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652524 + ... + 817696.

It is an arithmetic number, because the mean of its divisors is an integer number (3712698585).

Almost surely, 2^121420324030 is an apocalyptic number.

121420324030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121420324030 is a deficient number, since it is larger than the sum of its proper divisors (116192385410).

121420324030 is a wasteful number, since it uses less digits than its factorization.

121420324030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165325.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121420324030 its reverse (30423024121), we get a palindrome (151843348151).

The spelling of 121420324030 in words is "one hundred twenty-one billion, four hundred twenty million, three hundred twenty-four thousand, thirty".