1225442432212 has 12 divisors (see below), whose sum is σ = 2157365720160. Its totient is φ = 609052226456.

The previous prime is 1225442432183. The next prime is 1225442432219. The reversal of 1225442432212 is 2122342445221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225442432219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 917246662 + ... + 917247997.

It is an arithmetic number, because the mean of its divisors is an integer number (179780476680).

Almost surely, 2^{1225442432212} is an apocalyptic number.

It is an amenable number.

1225442432212 is a deficient number, since it is larger than the sum of its proper divisors (931923287948).

1225442432212 is a wasteful number, since it uses less digits than its factorization.

1225442432212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834494830 (or 1834494828 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

Adding to 1225442432212 its reverse (2122342445221), we get a palindrome (3347784877433).

The spelling of 1225442432212 in words is "one trillion, two hundred twenty-five billion, four hundred forty-two million, four hundred thirty-two thousand, two hundred twelve".