1212122022 has 32 divisors (see below), whose sum is σ = 2448230400. Its totient is φ = 400058688.

The previous prime is 1212121997. The next prime is 1212122039. The reversal of 1212122022 is 2202212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212121992 and 1212122010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359179 + ... + 362537.

It is an arithmetic number, because the mean of its divisors is an integer number (76507200).

Almost surely, 2^1212122022 is an apocalyptic number.

1212122022 is an abundant number, since it is smaller than the sum of its proper divisors (1236108378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212122022 is a wasteful number, since it uses less digits than its factorization.

1212122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1212122022 is about 34815.5428221362. The cubic root of 1212122022 is about 1066.2248017274.

Adding to 1212122022 its reverse (2202212121), we get a palindrome (3414334143).

Subtracting 1212122022 from its reverse (2202212121), we obtain a palindrome (990090099).

It can be divided in two parts, 12121 and 22022, that added together give a palindrome (34143).

The spelling of 1212122022 in words is "one billion, two hundred twelve million, one hundred twenty-two thousand, twenty-two".