1213424042002 has 8 divisors (see below), whose sum is σ = 1820151144396. Its totient is φ = 606706993872.

The previous prime is 1213424041967. The next prime is 1213424042009. The reversal of 1213424042002 is 2002404243121.

It can be written as a sum of positive squares in 2 ways, for example, as 942450698401 + 270973343601 = 970799^2 + 520551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1213424042009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204233 + ... + 2699164.

Almost surely, 2^{1213424042002} is an apocalyptic number.

1213424042002 is a deficient number, since it is larger than the sum of its proper divisors (606727102394).

1213424042002 is a wasteful number, since it uses less digits than its factorization.

1213424042002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027132.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1213424042002 its reverse (2002404243121), we get a palindrome (3215828285123).

The spelling of 1213424042002 in words is "one trillion, two hundred thirteen billion, four hundred twenty-four million, forty-two thousand, two".