231144314122412 has 24 divisors (see below), whose sum is σ = 418453151919600. Its totient is φ = 111586313353536.

The previous prime is 231144314122399. The next prime is 231144314122451. The reversal of 231144314122412 is 214221413441132.

It is a happy number.

231144314122412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231144314122412² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16844918 + ... + 27313730.

It is an arithmetic number, because the mean of its divisors is an integer number (17435547996650).

Almost surely, 2^{231144314122412} is an apocalyptic number.

It is an amenable number.

231144314122412 is a deficient number, since it is larger than the sum of its proper divisors (187308837797188).

231144314122412 is a wasteful number, since it uses less digits than its factorization.

231144314122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10659185 (or 10659183 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

Adding to 231144314122412 its reverse (214221413441132), we get a palindrome (445365727563544).

The spelling of 231144314122412 in words is "two hundred thirty-one trillion, one hundred forty-four billion, three hundred fourteen million, one hundred twenty-two thousand, four hundred twelve".