12121012222022 has 8 divisors (see below), whose sum is σ = 19834383636072. Its totient is φ = 5509551010000.

The previous prime is 12121012222013. The next prime is 12121012222037. The reversal of 12121012222022 is 22022221012121.

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 = 12121012221985 and 12121012222003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275477550479 + ... + 275477550522.

It is an arithmetic number, because the mean of its divisors is an integer number (2479297954509).

Almost surely, 2^{12121012222022} is an apocalyptic number.

12121012222022 is a deficient number, since it is larger than the sum of its proper divisors (7713371414050).

12121012222022 is a wasteful number, since it uses less digits than its factorization.

12121012222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550955101014.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12121012222022 its reverse (22022221012121), we get a palindrome (34143233234143).

The spelling of 12121012222022 in words is "twelve trillion, one hundred twenty-one billion, twelve million, two hundred twenty-two thousand, twenty-two".