1244220100292 has 12 divisors (see below), whose sum is σ = 2344876342956. Its totient is φ = 574255430880.

The previous prime is 1244220100289. The next prime is 1244220100309. The reversal of 1244220100292 is 2920010224421.

It can be written as a sum of positive squares in 2 ways, for example, as 666401199556 + 577818900736 = 816334^2 + 760144^2 .

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, 11963654759 + ... + 11963654862.

It is an arithmetic number, because the mean of its divisors is an integer number (195406361913).

Almost surely, 2^{1244220100292} is an apocalyptic number.

It is an amenable number.

1244220100292 is a deficient number, since it is larger than the sum of its proper divisors (1100656242664).

1244220100292 is a wasteful number, since it uses less digits than its factorization.

1244220100292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23927309638 (or 23927309636 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 1244220100292 in words is "one trillion, two hundred forty-four billion, two hundred twenty million, one hundred thousand, two hundred ninety-two".