12211022042402 has 16 divisors (see below), whose sum is σ = 18356626596672. Its totient is φ = 6092147753040.

The previous prime is 12211022042341. The next prime is 12211022042431. The reversal of 12211022042402 is 20424022011221.

It is a super-2 number, since 2×12211022042402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20081243 + ... + 20680385.

It is an arithmetic number, because the mean of its divisors is an integer number (1147289162292).

Almost surely, 2^{12211022042402} is an apocalyptic number.

12211022042402 is a deficient number, since it is larger than the sum of its proper divisors (6145604554270).

12211022042402 is a wasteful number, since it uses less digits than its factorization.

12211022042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621433.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12211022042402 its reverse (20424022011221), we get a palindrome (32635044053623).

The spelling of 12211022042402 in words is "twelve trillion, two hundred eleven billion, twenty-two million, forty-two thousand, four hundred two".