1212101122 has 32 divisors (see below), whose sum is σ = 1981188720. Its totient is φ = 553912320.

The previous prime is 1212101119. The next prime is 1212101131. The reversal of 1212101122 is 2211012121.

It can be written as a sum of positive squares in 8 ways, for example, as 359519521 + 852581601 = 18961^2 + 29199^2 .

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, 317328 + ... + 321124.

Almost surely, 2^1212101122 is an apocalyptic number.

1212101122 is a deficient number, since it is larger than the sum of its proper divisors (769087598).

1212101122 is a wasteful number, since it uses less digits than its factorization.

1212101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086.

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

The square root of 1212101122 is about 34815.2426675443. The cubic root of 1212101122 is about 1066.2186735692.

Adding to 1212101122 its reverse (2211012121), we get a palindrome (3423113243).

The spelling of 1212101122 in words is "one billion, two hundred twelve million, one hundred one thousand, one hundred twenty-two".