121223222310 has 16 divisors (see below), whose sum is σ = 290935733616. Its totient is φ = 32326192608.

The previous prime is 121223222291. The next prime is 121223222317. The reversal of 121223222310 is 13222322121.

It is a super-2 number, since 2×121223222310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121223222317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020387009 + ... + 2020387068.

It is an arithmetic number, because the mean of its divisors is an integer number (18183483351).

Almost surely, 2^121223222310 is an apocalyptic number.

121223222310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223222310 is an abundant number, since it is smaller than the sum of its proper divisors (169712511306).

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

121223222310 is a wasteful number, since it uses less digits than its factorization.

121223222310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040774087.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121223222310 its reverse (13222322121), we get a palindrome (134445544431).

The spelling of 121223222310 in words is "one hundred twenty-one billion, two hundred twenty-three million, two hundred twenty-two thousand, three hundred ten".