12101121310 has 16 divisors (see below), whose sum is σ = 21783460896. Its totient is φ = 4840127968.

The previous prime is 12101121301. The next prime is 12101121313. The reversal of 12101121310 is 1312110121.

It is a happy number.

It is a super-2 number, since 2×12101121310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101121313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171852 + ... + 231808.

It is an arithmetic number, because the mean of its divisors is an integer number (1361466306).

Almost surely, 2^12101121310 is an apocalyptic number.

12101121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101121310 is a deficient number, since it is larger than the sum of its proper divisors (9682339586).

12101121310 is a wasteful number, since it uses less digits than its factorization.

12101121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80147.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12101121310 its reverse (1312110121), we get a palindrome (13413231431).

The spelling of 12101121310 in words is "twelve billion, one hundred one million, one hundred twenty-one thousand, three hundred ten".