1212201617102 has 8 divisors (see below), whose sum is σ = 2078059915056. Its totient is φ = 519514978752.

The previous prime is 1212201617089. The next prime is 1212201617111. The reversal of 1212201617102 is 2017161022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43292914883 + ... + 43292914910.

It is an arithmetic number, because the mean of its divisors is an integer number (259757489382).

Almost surely, 2^{1212201617102} is an apocalyptic number.

1212201617102 is a deficient number, since it is larger than the sum of its proper divisors (865858297954).

1212201617102 is an equidigital number, since it uses as much as digits as its factorization.

1212201617102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86585829802.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 1212201617102 its reverse (2017161022121), we get a palindrome (3229362639223).

The spelling of 1212201617102 in words is "one trillion, two hundred twelve billion, two hundred one million, six hundred seventeen thousand, one hundred two".