121223201030 has 32 divisors (see below), whose sum is σ = 224106458400. Its totient is φ = 47185512192.

The previous prime is 121223201023. The next prime is 121223201041. The reversal of 121223201030 is 30102322121.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 408335 + ... + 639674.

It is an arithmetic number, because the mean of its divisors is an integer number (7003326825).

Almost surely, 2^121223201030 is an apocalyptic number.

121223201030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223201030 is a deficient number, since it is larger than the sum of its proper divisors (102883257370).

121223201030 is a wasteful number, since it uses less digits than its factorization.

121223201030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048328.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121223201030 its reverse (30102322121), we get a palindrome (151325523151).

The spelling of 121223201030 in words is "one hundred twenty-one billion, two hundred twenty-three million, two hundred one thousand, thirty".