121313213310310 has 32 divisors (see below), whose sum is σ = 251353995943680. Its totient is φ = 41293870755552.

The previous prime is 121313213310299. The next prime is 121313213310347. The reversal of 121313213310310 is 13013312313121.

It is a super-2 number, since 2×121313213310310² (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 15 ways as a sum of consecutive naturals, for example, 6233968344 + ... + 6233987803.

It is an arithmetic number, because the mean of its divisors is an integer number (7854812373240).

Almost surely, 2^{121313213310310} is an apocalyptic number.

121313213310310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121313213310310 is an abundant number, since it is smaller than the sum of its proper divisors (130040782633370).

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

121313213310310 is a wasteful number, since it uses less digits than its factorization.

121313213310310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12467956300.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 121313213310310 its reverse (13013312313121), we get a palindrome (134326525623431).

The spelling of 121313213310310 in words is "one hundred twenty-one trillion, three hundred thirteen billion, two hundred thirteen million, three hundred ten thousand, three hundred ten".