1201212110102 has 4 divisors (see below), whose sum is σ = 1801818165156. Its totient is φ = 600606055050.

The previous prime is 1201212110069. The next prime is 1201212110107. The reversal of 1201212110102 is 2010112121021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201212110107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300303027524 + ... + 300303027527.

It is an arithmetic number, because the mean of its divisors is an integer number (450454541289).

Almost surely, 2^{1201212110102} is an apocalyptic number.

1201212110102 is a deficient number, since it is larger than the sum of its proper divisors (600606055054).

1201212110102 is an equidigital number, since it uses as much as digits as its factorization.

1201212110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600606055053.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201212110102 its reverse (2010112121021), we get a palindrome (3211324231123).

The spelling of 1201212110102 in words is "one trillion, two hundred one billion, two hundred twelve million, one hundred ten thousand, one hundred two".