1224120242402 has 16 divisors (see below), whose sum is σ = 1882050746400. Its totient is φ = 596818001472.

The previous prime is 1224120242381. The next prime is 1224120242437. The reversal of 1224120242402 is 2042420214221.

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, 11950652 + ... + 12052647.

It is an arithmetic number, because the mean of its divisors is an integer number (117628171650).

Almost surely, 2^{1224120242402} is an apocalyptic number.

1224120242402 is a deficient number, since it is larger than the sum of its proper divisors (657930503998).

1224120242402 is a wasteful number, since it uses less digits than its factorization.

1224120242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003937.

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

Adding to 1224120242402 its reverse (2042420214221), we get a palindrome (3266540456623).

The spelling of 1224120242402 in words is "one trillion, two hundred twenty-four billion, one hundred twenty million, two hundred forty-two thousand, four hundred two".