1201201212102 has 64 divisors (see below), whose sum is σ = 2453807865600. Its totient is φ = 391895884800.

The previous prime is 1201201212091. The next prime is 1201201212179. The reversal of 1201201212102 is 2012121021021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80626318 + ... + 80641214.

It is an arithmetic number, because the mean of its divisors is an integer number (38340747900).

Almost surely, 2^{1201201212102} is an apocalyptic number.

1201201212102 is an abundant number, since it is smaller than the sum of its proper divisors (1252606653498).

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

1201201212102 is a wasteful number, since it uses less digits than its factorization.

1201201212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15941.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1201201212102 its reverse (2012121021021), we get a palindrome (3213322233123).

The spelling of 1201201212102 in words is "one trillion, two hundred one billion, two hundred one million, two hundred twelve thousand, one hundred two".