121301203130 has 32 divisors (see below), whose sum is σ = 236824514640. Its totient is φ = 44552519680.

The previous prime is 121301203123. The next prime is 121301203183. The reversal of 121301203130 is 31302103121.

It can be written as a sum of positive squares in 8 ways, for example, as 27136302361 + 94164900769 = 164731^2 + 306863^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 121301203099 and 121301203108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8694695 + ... + 8708634.

Almost surely, 2^121301203130 is an apocalyptic number.

121301203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121301203130 is a deficient number, since it is larger than the sum of its proper divisors (115523311510).

121301203130 is a wasteful number, since it uses less digits than its factorization.

121301203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17403394.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121301203130 its reverse (31302103121), we get a palindrome (152603306251).

The spelling of 121301203130 in words is "one hundred twenty-one billion, three hundred one million, two hundred three thousand, one hundred thirty".