1223204240002 has 8 divisors (see below), whose sum is σ = 1841627202300. Its totient is φ = 609328505904.

The previous prime is 1223204239997. The next prime is 1223204240003. The reversal of 1223204240002 is 2000424023221.

It can be written as a sum of positive squares in 2 ways, for example, as 897814995961 + 325389244041 = 947531^2 + 570429^2 .

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

It is a super-2 number, since 2×1223204240002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223204240003) 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, 1136806377 + ... + 1136807452.

Almost surely, 2^{1223204240002} is an apocalyptic number.

1223204240002 is a deficient number, since it is larger than the sum of its proper divisors (618422962298).

1223204240002 is a wasteful number, since it uses less digits than its factorization.

1223204240002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273614100.

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

Adding to 1223204240002 its reverse (2000424023221), we get a palindrome (3223628263223).

The spelling of 1223204240002 in words is "one trillion, two hundred twenty-three billion, two hundred four million, two hundred forty thousand, two".