121213123303310 has 8 divisors (see below), whose sum is σ = 218183621945976. Its totient is φ = 48485249321320.

The previous prime is 121213123303241. The next prime is 121213123303339. The reversal of 121213123303310 is 13303321312121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121213123303310² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121213123303310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060656165156 + ... + 6060656165175.

It is an arithmetic number, because the mean of its divisors is an integer number (27272952743247).

Almost surely, 2^{121213123303310} is an apocalyptic number.

121213123303310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121213123303310 is a deficient number, since it is larger than the sum of its proper divisors (96970498642666).

121213123303310 is a wasteful number, since it uses less digits than its factorization.

121213123303310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121312330338.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121213123303310 its reverse (13303321312121), we get a palindrome (134516444615431).

The spelling of 121213123303310 in words is "one hundred twenty-one trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred three thousand, three hundred ten".