1212012101122 has 16 divisors (see below), whose sum is σ = 1819123752600. Its totient is φ = 605637596160.

The previous prime is 1212012101099. The next prime is 1212012101161. The reversal of 1212012101122 is 2211012102121.

It can be written as a sum of positive squares in 4 ways, for example, as 652300137801 + 559711963321 = 807651^2 + 748139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1212012101096 and 1212012101105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45480922 + ... + 45507562.

Almost surely, 2^{1212012101122} is an apocalyptic number.

1212012101122 is a deficient number, since it is larger than the sum of its proper divisors (607111651478).

1212012101122 is a wasteful number, since it uses less digits than its factorization.

1212012101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39621.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212012101122 its reverse (2211012102121), we get a palindrome (3423024203243).

Subtracting 1212012101122 from its reverse (2211012102121), we obtain a palindrome (999000000999).

The spelling of 1212012101122 in words is "one trillion, two hundred twelve billion, twelve million, one hundred one thousand, one hundred twenty-two".