121230023120 has 40 divisors (see below), whose sum is σ = 282855827616. Its totient is φ = 48320650368.

The previous prime is 121230023081. The next prime is 121230023143. The reversal of 121230023120 is 21320032121.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2654702 + ... + 2699981.

Almost surely, 2^121230023120 is an apocalyptic number.

121230023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121230023120 is an abundant number, since it is smaller than the sum of its proper divisors (161625804496).

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

121230023120 is a wasteful number, since it uses less digits than its factorization.

121230023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354979 (or 5354973 counting only the distinct ones).

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

Adding to 121230023120 its reverse (21320032121), we get a palindrome (142550055241).

Subtracting from 121230023120 its reverse (21320032121), we obtain a palindrome (99909990999).

The spelling of 121230023120 in words is "one hundred twenty-one billion, two hundred thirty million, twenty-three thousand, one hundred twenty".