243420212002 has 16 divisors (see below), whose sum is σ = 400997304000. Its totient is φ = 109902961840.

The previous prime is 243420211997. The next prime is 243420212011. The reversal of 243420212002 is 200212024342.

It is a super-2 number, since 2×243420212002² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 37126102 + ... + 37132657.

It is an arithmetic number, because the mean of its divisors is an integer number (25062331500).

Almost surely, 2^243420212002 is an apocalyptic number.

243420212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243420212002 is a deficient number, since it is larger than the sum of its proper divisors (157577091998).

243420212002 is a wasteful number, since it uses less digits than its factorization.

243420212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74258921.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 243420212002 its reverse (200212024342), we get a palindrome (443632236344).

The spelling of 243420212002 in words is "two hundred forty-three billion, four hundred twenty million, two hundred twelve thousand, two".