121240130323210 has 32 divisors (see below), whose sum is σ = 225308984140800. Its totient is φ = 46923955006080.

The previous prime is 121240130323189. The next prime is 121240130323223. The reversal of 121240130323210 is 12323031042121.

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, 30227470 + ... + 34002649.

It is an arithmetic number, because the mean of its divisors is an integer number (7040905754400).

Almost surely, 2^{121240130323210} is an apocalyptic number.

121240130323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121240130323210 is a deficient number, since it is larger than the sum of its proper divisors (104068853817590).

121240130323210 is a wasteful number, since it uses less digits than its factorization.

121240130323210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64236246.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121240130323210 its reverse (12323031042121), we get a palindrome (133563161365331).

The spelling of 121240130323210 in words is "one hundred twenty-one trillion, two hundred forty billion, one hundred thirty million, three hundred twenty-three thousand, two hundred ten".