1212021120022 has 8 divisors (see below), whose sum is σ = 1832346890496. Its totient is φ = 601238823192.

The previous prime is 1212021119989. The next prime is 1212021120031. The reversal of 1212021120022 is 2200211202121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212021119978 and 1212021120005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385868093 + ... + 2385868600.

It is an arithmetic number, because the mean of its divisors is an integer number (229043361312).

Almost surely, 2^{1212021120022} is an apocalyptic number.

1212021120022 is a deficient number, since it is larger than the sum of its proper divisors (620325770474).

1212021120022 is a wasteful number, since it uses less digits than its factorization.

1212021120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771736822.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212021120022 its reverse (2200211202121), we get a palindrome (3412232322143).

The spelling of 1212021120022 in words is "one trillion, two hundred twelve billion, twenty-one million, one hundred twenty thousand, twenty-two".