1235222100444 has 48 divisors (see below), whose sum is σ = 2886500172416. Its totient is φ = 411124507200.

The previous prime is 1235222100433. The next prime is 1235222100493. The reversal of 1235222100444 is 4440012225321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42387759 + ... + 42416889.

Almost surely, 2^{1235222100444} is an apocalyptic number.

It is an amenable number.

1235222100444 is an abundant number, since it is smaller than the sum of its proper divisors (1651278071972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1235222100444 is a wasteful number, since it uses less digits than its factorization.

1235222100444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34306 (or 34304 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1235222100444 its reverse (4440012225321), we get a palindrome (5675234325765).

The spelling of 1235222100444 in words is "one trillion, two hundred thirty-five billion, two hundred twenty-two million, one hundred thousand, four hundred forty-four".