1244213130412 has 24 divisors (see below), whose sum is σ = 2541371503104. Its totient is φ = 521888789712.

The previous prime is 1244213130389. The next prime is 1244213130443. The reversal of 1244213130412 is 2140313124421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472724038 + ... + 472726669.

It is an arithmetic number, because the mean of its divisors is an integer number (105890479296).

Almost surely, 2^{1244213130412} is an apocalyptic number.

It is an amenable number.

1244213130412 is an abundant number, since it is smaller than the sum of its proper divisors (1297158372692).

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

1244213130412 is a wasteful number, since it uses less digits than its factorization.

1244213130412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945450765 (or 945450763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1244213130412 its reverse (2140313124421), we get a palindrome (3384526254833).

The spelling of 1244213130412 in words is "one trillion, two hundred forty-four billion, two hundred thirteen million, one hundred thirty thousand, four hundred twelve".