121310231203310 has 16 divisors (see below), whose sum is σ = 223684231195152. Its totient is φ = 47340578030400.

The previous prime is 121310231203309. The next prime is 121310231203379. The reversal of 121310231203310 is 13302132013121.

It is a super-2 number, since 2×121310231203310² (a number of 29 digits) contains 22 as substring.

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, 147939305936 + ... + 147939306755.

It is an arithmetic number, because the mean of its divisors is an integer number (13980264449697).

Almost surely, 2^{121310231203310} is an apocalyptic number.

121310231203310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121310231203310 is a deficient number, since it is larger than the sum of its proper divisors (102373999991842).

121310231203310 is a wasteful number, since it uses less digits than its factorization.

121310231203310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295878612739.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121310231203310 its reverse (13302132013121), we get a palindrome (134612363216431).

The spelling of 121310231203310 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred thirty-one million, two hundred three thousand, three hundred ten".