1202111211210 has 192 divisors, whose sum is σ = 3584281404672. Its totient is φ = 252643442688.

The previous prime is 1202111211209. The next prime is 1202111211211. The reversal of 1202111211210 is 121121112021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1202111211209) and next prime (1202111211211).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1202111211210.

It is not an unprimeable number, because it can be changed into a prime (1202111211211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9055032 + ... + 9186828.

It is an arithmetic number, because the mean of its divisors is an integer number (18668132316).

Almost surely, 2^{1202111211210} is an apocalyptic number.

1202111211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202111211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792140702336).

1202111211210 is an abundant number, since it is smaller than the sum of its proper divisors (2382170193462).

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

1202111211210 is a wasteful number, since it uses less digits than its factorization.

1202111211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132097 (or 132084 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1202111211210 its reverse (121121112021), we get a palindrome (1323232323231).

The spelling of 1202111211210 in words is "one trillion, two hundred two billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".