1212002202224 has 20 divisors (see below), whose sum is σ = 2561731927800. Its totient is φ = 550910091840.

The previous prime is 1212002202209. The next prime is 1212002202251. The reversal of 1212002202224 is 4222022002121.

It is a junction number, because it is equal to n+sod(n) for n = 1212002202196 and 1212002202205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443187899 + ... + 3443188250.

It is an arithmetic number, because the mean of its divisors is an integer number (128086596390).

Almost surely, 2^{1212002202224} is an apocalyptic number.

It is an amenable number.

1212002202224 is an abundant number, since it is smaller than the sum of its proper divisors (1349729725576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212002202224 is a wasteful number, since it uses less digits than its factorization.

1212002202224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886376168 (or 6886376162 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1212002202224 its reverse (4222022002121), we get a palindrome (5434024204345).

The spelling of 1212002202224 in words is "one trillion, two hundred twelve billion, two million, two hundred two thousand, two hundred twenty-four".