12230121011329 has 16 divisors (see below), whose sum is σ = 13529371648912. Its totient is φ = 10982193539328.

The previous prime is 12230121011267. The next prime is 12230121011363. The reversal of 12230121011329 is 92311012103221.

It can be written as a sum of positive squares in 8 ways, for example, as 2855501771329 + 9374619240000 = 1689823^2 + 3061800^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230121011329 - 2²⁵ = 12230087456897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12230121011297 and 12230121011306.

It is not an unprimeable number, because it can be changed into a prime (12230121021329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255007 + ... + 4952299.

It is an arithmetic number, because the mean of its divisors is an integer number (845585728057).

Almost surely, 2^{12230121011329} is an apocalyptic number.

It is an amenable number.

12230121011329 is a deficient number, since it is larger than the sum of its proper divisors (1299250637583).

12230121011329 is a wasteful number, since it uses less digits than its factorization.

12230121011329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702756.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 12230121011329 in words is "twelve trillion, two hundred thirty billion, one hundred twenty-one million, eleven thousand, three hundred twenty-nine".