44123400212 has 6 divisors (see below), whose sum is σ = 77215950378. Its totient is φ = 22061700104.

The previous prime is 44123400197. The next prime is 44123400239. The reversal of 44123400212 is 21200432144.

It can be written as a sum of positive squares in only one way, i.e., 42207237136 + 1916163076 = 205444^2 + 43774^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515425023 + ... + 5515425030.

It is an arithmetic number, because the mean of its divisors is an integer number (12869325063).

Almost surely, 2^44123400212 is an apocalyptic number.

It is an amenable number.

44123400212 is a deficient number, since it is larger than the sum of its proper divisors (33092550166).

44123400212 is a wasteful number, since it uses less digits than its factorization.

44123400212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030850057 (or 11030850055 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 44123400212 its reverse (21200432144), we get a palindrome (65323832356).

The spelling of 44123400212 in words is "forty-four billion, one hundred twenty-three million, four hundred thousand, two hundred twelve".