1212101021202 has 128 divisors (see below), whose sum is σ = 2604337367040. Its totient is φ = 375243079680.

The previous prime is 1212101021167. The next prime is 1212101021227. The reversal of 1212101021202 is 2021201012121.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1215747768 + ... + 1215748764.

It is an arithmetic number, because the mean of its divisors is an integer number (20346385680).

Almost surely, 2^{1212101021202} is an apocalyptic number.

1212101021202 is an abundant number, since it is smaller than the sum of its proper divisors (1392236345838).

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

1212101021202 is a wasteful number, since it uses less digits than its factorization.

1212101021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196.

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

Adding to 1212101021202 its reverse (2021201012121), we get a palindrome (3233302033323).

The spelling of 1212101021202 in words is "one trillion, two hundred twelve billion, one hundred one million, twenty-one thousand, two hundred two".