12401123444 has 6 divisors (see below), whose sum is σ = 21701966034. Its totient is φ = 6200561720.

The previous prime is 12401123443. The next prime is 12401123453. The reversal of 12401123444 is 44432110421.

It can be written as a sum of positive squares in only one way, i.e., 8703024100 + 3698099344 = 93290^2 + 60812^2 .

It is a super-2 number, since 2×12401123444² (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 (12401123443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550140427 + ... + 1550140434.

It is an arithmetic number, because the mean of its divisors is an integer number (3616994339).

Almost surely, 2^12401123444 is an apocalyptic number.

It is an amenable number.

12401123444 is a deficient number, since it is larger than the sum of its proper divisors (9300842590).

12401123444 is a wasteful number, since it uses less digits than its factorization.

12401123444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100280865 (or 3100280863 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12401123444 its reverse (44432110421), we get a palindrome (56833233865).

The spelling of 12401123444 in words is "twelve billion, four hundred one million, one hundred twenty-three thousand, four hundred forty-four".