1201212212102 has 16 divisors (see below), whose sum is σ = 2059455601152. Its totient is φ = 514746567240.

The previous prime is 1201212212099. The next prime is 1201212212107. The reversal of 1201212212102 is 2012122121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201212212107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4761524 + ... + 5007447.

It is an arithmetic number, because the mean of its divisors is an integer number (128715975072).

Almost surely, 2^{1201212212102} is an apocalyptic number.

1201212212102 is a deficient number, since it is larger than the sum of its proper divisors (858243389050).

1201212212102 is an equidigital number, since it uses as much as digits as its factorization.

1201212212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9777763.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1201212212102 its reverse (2012122121021), we get a palindrome (3213334333123).

The spelling of 1201212212102 in words is "one trillion, two hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred two".