1212102022 has 4 divisors (see below), whose sum is σ = 1818153036. Its totient is φ = 606051010.

The previous prime is 1212102019. The next prime is 1212102041. The reversal of 1212102022 is 2202012121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212101993 and 1212102011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303025504 + ... + 303025507.

It is an arithmetic number, because the mean of its divisors is an integer number (454538259).

Almost surely, 2^1212102022 is an apocalyptic number.

1212102022 is a deficient number, since it is larger than the sum of its proper divisors (606051014).

1212102022 is an equidigital number, since it uses as much as digits as its factorization.

1212102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606051013.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1212102022 is about 34815.2555929150. The cubic root of 1212102022 is about 1066.2189374626.

Adding to 1212102022 its reverse (2202012121), we get a palindrome (3414114143).

The spelling of 1212102022 in words is "one billion, two hundred twelve million, one hundred two thousand, twenty-two".