121413144231 has 12 divisors (see below), whose sum is σ = 175378006440. Its totient is φ = 80940497040.

The previous prime is 121413144217. The next prime is 121413144289. The reversal of 121413144231 is 132441314121.

It is a happy number.

121413144231 is a `hidden beast` number, since 1 + 2 + 1 + 413 + 14 + 4 + 231 = 666.

It is not a de Polignac number, because 121413144231 - 2¹⁰ = 121413143207 is a prime.

It is a super-2 number, since 2×121413144231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121413144195 and 121413144204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413144331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512085 + ... + 710673.

It is an arithmetic number, because the mean of its divisors is an integer number (14614833870).

Almost surely, 2^121413144231 is an apocalyptic number.

121413144231 is a deficient number, since it is larger than the sum of its proper divisors (53964862209).

121413144231 is a wasteful number, since it uses less digits than its factorization.

121413144231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266526 (or 266523 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 121413144231 its reverse (132441314121), we get a palindrome (253854458352).

The spelling of 121413144231 in words is "one hundred twenty-one billion, four hundred thirteen million, one hundred forty-four thousand, two hundred thirty-one".