1210120100044 has 12 divisors (see below), whose sum is σ = 2166959249224. Its totient is φ = 590988885984.

The previous prime is 1210120100027. The next prime is 1210120100081. The reversal of 1210120100044 is 4400010210121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517790817 + ... + 3517791160.

Almost surely, 2^{1210120100044} is an apocalyptic number.

It is an amenable number.

1210120100044 is a deficient number, since it is larger than the sum of its proper divisors (956839149180).

1210120100044 is a wasteful number, since it uses less digits than its factorization.

1210120100044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035582024 (or 7035582022 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1210120100044 its reverse (4400010210121), we get a palindrome (5610130310165).

The spelling of 1210120100044 in words is "one trillion, two hundred ten billion, one hundred twenty million, one hundred thousand, forty-four".