1212200202122 has 64 divisors (see below), whose sum is σ = 2458114283520. Its totient is φ = 434559432384.

The previous prime is 1212200202113. The next prime is 1212200202151. The reversal of 1212200202122 is 2212020022121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212200202122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7541108 + ... + 7700175.

It is an arithmetic number, because the mean of its divisors is an integer number (38408035680).

Almost surely, 2^{1212200202122} is an apocalyptic number.

1212200202122 is an abundant number, since it is smaller than the sum of its proper divisors (1245914081398).

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

1212200202122 is a wasteful number, since it uses less digits than its factorization.

1212200202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15241347.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212200202122 its reverse (2212020022121), we get a palindrome (3424220224243).

The spelling of 1212200202122 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred two thousand, one hundred twenty-two".