121334123310 has 128 divisors (see below), whose sum is σ = 315397324800. Its totient is φ = 29769016320.

The previous prime is 121334123279. The next prime is 121334123311. The reversal of 121334123310 is 13321433121.

It is a super-2 number, since 2×121334123310² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121334123311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11995155 + ... + 12005265.

It is an arithmetic number, because the mean of its divisors is an integer number (2464041600).

Almost surely, 2^121334123310 is an apocalyptic number.

121334123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121334123310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157698662400).

121334123310 is an abundant number, since it is smaller than the sum of its proper divisors (194063201490).

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

121334123310 is a wasteful number, since it uses less digits than its factorization.

121334123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121334123310 its reverse (13321433121), we get a palindrome (134655556431).

The spelling of 121334123310 in words is "one hundred twenty-one billion, three hundred thirty-four million, one hundred twenty-three thousand, three hundred ten".