1244057221006 has 4 divisors (see below), whose sum is σ = 1866085831512. Its totient is φ = 622028610502.

The previous prime is 1244057221003. The next prime is 1244057221013. The reversal of 1244057221006 is 6001227504421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244057221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311014305250 + ... + 311014305253.

It is an arithmetic number, because the mean of its divisors is an integer number (466521457878).

Almost surely, 2^{1244057221006} is an apocalyptic number.

1244057221006 is a deficient number, since it is larger than the sum of its proper divisors (622028610506).

1244057221006 is an equidigital number, since it uses as much as digits as its factorization.

1244057221006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622028610505.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 1244057221006 in words is "one trillion, two hundred forty-four billion, fifty-seven million, two hundred twenty-one thousand, six".