1212112221032 has 16 divisors (see below), whose sum is σ = 2273389493760. Its totient is φ = 605875022704.

The previous prime is 1212112221013. The next prime is 1212112221043. The reversal of 1212112221032 is 2301222112121.

It is a junction number, because it is equal to n+sod(n) for n = 1212112220995 and 1212112221013.

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 3 ways as a sum of consecutive naturals, for example, 22607528 + ... + 22661079.

It is an arithmetic number, because the mean of its divisors is an integer number (142086843360).

Almost surely, 2^{1212112221032} is an apocalyptic number.

It is an amenable number.

1212112221032 is a deficient number, since it is larger than the sum of its proper divisors (1061277272728).

1212112221032 is a wasteful number, since it uses less digits than its factorization.

1212112221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45271960 (or 45271956 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1212112221032 its reverse (2301222112121), we get a palindrome (3513334333153).

The spelling of 1212112221032 in words is "one trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-one thousand, thirty-two".