1212210122202 has 24 divisors (see below), whose sum is σ = 2627675253684. Its totient is φ = 403882350144.

The previous prime is 1212210122161. The next prime is 1212210122251. The reversal of 1212210122202 is 2022210122121.

It is a happy number.

1212210122202 is a `hidden beast` number, since 121 + 221 + 0 + 122 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 986603171841 + 225606950361 = 993279^2 + 474981^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15601053 + ... + 15678560.

Almost surely, 2^{1212210122202} is an apocalyptic number.

1212210122202 is an abundant number, since it is smaller than the sum of its proper divisors (1415465131482).

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

1212210122202 is a wasteful number, since it uses less digits than its factorization.

1212210122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31281774 (or 31281771 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1212210122202 its reverse (2022210122121), we get a palindrome (3234420244323).

The spelling of 1212210122202 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, two hundred two".