1212010122212 has 6 divisors (see below), whose sum is σ = 2121017713878. Its totient is φ = 606005061104.

The previous prime is 1212010122179. The next prime is 1212010122221. The reversal of 1212010122212 is 2122210102121.

It can be written as a sum of positive squares in only one way, i.e., 1150264830016 + 61745292196 = 1072504^2 + 248486^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151501265273 + ... + 151501265280.

It is an arithmetic number, because the mean of its divisors is an integer number (353502952313).

Almost surely, 2^{1212010122212} is an apocalyptic number.

It is an amenable number.

1212010122212 is a deficient number, since it is larger than the sum of its proper divisors (909007591666).

1212010122212 is a wasteful number, since it uses less digits than its factorization.

1212010122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303002530557 (or 303002530555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212010122212 its reverse (2122210102121), we get a palindrome (3334220224333).

The spelling of 1212010122212 in words is "one trillion, two hundred twelve billion, ten million, one hundred twenty-two thousand, two hundred twelve".