124012031311 has 4 divisors (see below), whose sum is σ = 141728035792. Its totient is φ = 106296026832.

The previous prime is 124012031303. The next prime is 124012031369. The reversal of 124012031311 is 113130210421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124012031311 - 2³ = 124012031303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124012031111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8858002230 + ... + 8858002243.

It is an arithmetic number, because the mean of its divisors is an integer number (35432008948).

Almost surely, 2^124012031311 is an apocalyptic number.

124012031311 is a deficient number, since it is larger than the sum of its proper divisors (17716004481).

124012031311 is an equidigital number, since it uses as much as digits as its factorization.

124012031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17716004480.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 124012031311 its reverse (113130210421), we get a palindrome (237142241732).

The spelling of 124012031311 in words is "one hundred twenty-four billion, twelve million, thirty-one thousand, three hundred eleven".