1212044224402 has 32 divisors (see below), whose sum is σ = 2076942777984. Its totient is φ = 525100329600.

The previous prime is 1212044224381. The next prime is 1212044224409. The reversal of 1212044224402 is 2044224402121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1212044224409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4119993 + ... + 4404364.

It is an arithmetic number, because the mean of its divisors is an integer number (64904461812).

Almost surely, 2^{1212044224402} is an apocalyptic number.

1212044224402 is a deficient number, since it is larger than the sum of its proper divisors (864898553582).

1212044224402 is a wasteful number, since it uses less digits than its factorization.

1212044224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524674.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1212044224402 its reverse (2044224402121), we get a palindrome (3256268626523).

The spelling of 1212044224402 in words is "one trillion, two hundred twelve billion, forty-four million, two hundred twenty-four thousand, four hundred two".