1212011122 has 8 divisors (see below), whose sum is σ = 2077733376. Its totient is φ = 519433332.

The previous prime is 1212011117. The next prime is 1212011131. The reversal of 1212011122 is 2211102121.

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

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, 43286098 + ... + 43286125.

It is an arithmetic number, because the mean of its divisors is an integer number (259716672).

Almost surely, 2^1212011122 is an apocalyptic number.

1212011122 is a deficient number, since it is larger than the sum of its proper divisors (865722254).

1212011122 is an equidigital number, since it uses as much as digits as its factorization.

1212011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86572232.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1212011122 is about 34813.9501062433. The cubic root of 1212011122 is about 1066.1922835665.

Adding to 1212011122 its reverse (2211102121), we get a palindrome (3423113243).

Subtracting 1212011122 from its reverse (2211102121), we obtain a palindrome (999090999).

The spelling of 1212011122 in words is "one billion, two hundred twelve million, eleven thousand, one hundred twenty-two".