121023200030 has 16 divisors (see below), whose sum is σ = 217846988784. Its totient is φ = 48408118080.

The previous prime is 121023200027. The next prime is 121023200057. The reversal of 121023200030 is 30002320121.

It is a happy number.

It is a super-2 number, since 2×121023200030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121023199978 and 121023200014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384074 + ... + 624146.

It is an arithmetic number, because the mean of its divisors is an integer number (13615436799).

Almost surely, 2^121023200030 is an apocalyptic number.

121023200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023200030 is a deficient number, since it is larger than the sum of its proper divisors (96823788754).

121023200030 is a wasteful number, since it uses less digits than its factorization.

121023200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290491.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 121023200030 its reverse (30002320121), we get a palindrome (151025520151).

The spelling of 121023200030 in words is "one hundred twenty-one billion, twenty-three million, two hundred thousand, thirty".