121030203000 has 128 divisors (see below), whose sum is σ = 431559198720. Its totient is φ = 27664041600.

The previous prime is 121030202989. The next prime is 121030203001. The reversal of 121030203000 is 302030121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030203001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2860672 + ... + 2902671.

It is an arithmetic number, because the mean of its divisors is an integer number (3371556240).

Almost surely, 2^121030203000 is an apocalyptic number.

121030203000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121030203000 is an abundant number, since it is smaller than the sum of its proper divisors (310528995720).

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

121030203000 is a wasteful number, since it uses less digits than its factorization.

121030203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763374 (or 5763360 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 121030203000 its reverse (302030121), we get a palindrome (121332233121).

The spelling of 121030203000 in words is "one hundred twenty-one billion, thirty million, two hundred three thousand".