2142402001244 has 24 divisors (see below), whose sum is σ = 3998721142080. Its totient is φ = 1000830127616.

The previous prime is 2142402001213. The next prime is 2142402001253. The reversal of 2142402001244 is 4421002042412.

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 7 ways as a sum of consecutive naturals, for example, 114975764 + ... + 114994395.

It is an arithmetic number, because the mean of its divisors is an integer number (166613380920).

Almost surely, 2^{2142402001244} is an apocalyptic number.

It is an amenable number.

2142402001244 is a deficient number, since it is larger than the sum of its proper divisors (1856319140836).

2142402001244 is a wasteful number, since it uses less digits than its factorization.

2142402001244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229970317 (or 229970315 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 2142402001244 its reverse (4421002042412), we get a palindrome (6563404043656).

The spelling of 2142402001244 in words is "two trillion, one hundred forty-two billion, four hundred two million, one thousand, two hundred forty-four".