4445212451234 has 4 divisors (see below), whose sum is σ = 6667818676854. Its totient is φ = 2222606225616.

The previous prime is 4445212451231. The next prime is 4445212451249. The reversal of 4445212451234 is 4321542125444.

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

It can be written as a sum of positive squares in only one way, i.e., 4261115677009 + 184096774225 = 2064247^2 + 429065^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4445212451191 and 4445212451200.

It is not an unprimeable number, because it can be changed into a prime (4445212451231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111303112807 + ... + 1111303112810.

Almost surely, 2^{4445212451234} is an apocalyptic number.

4445212451234 is a deficient number, since it is larger than the sum of its proper divisors (2222606225620).

4445212451234 is a wasteful number, since it uses less digits than its factorization.

4445212451234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222606225619.

The product of its digits is 614400, while the sum is 41.

Adding to 4445212451234 its reverse (4321542125444), we get a palindrome (8766754576678).

The spelling of 4445212451234 in words is "four trillion, four hundred forty-five billion, two hundred twelve million, four hundred fifty-one thousand, two hundred thirty-four".