1202002021210 has 16 divisors (see below), whose sum is σ = 2170651212576. Its totient is φ = 479234680848.

The previous prime is 1202002021169. The next prime is 1202002021217. The reversal of 1202002021210 is 121202002021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1202002021217) 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, 195762732 + ... + 195768871.

It is an arithmetic number, because the mean of its divisors is an integer number (135665700786).

Almost surely, 2^{1202002021210} is an apocalyptic number.

1202002021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202002021210 is a deficient number, since it is larger than the sum of its proper divisors (968649191366).

1202002021210 is a wasteful number, since it uses less digits than its factorization.

1202002021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391531917.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202002021210 its reverse (121202002021), we get a palindrome (1323204023231).

The spelling of 1202002021210 in words is "one trillion, two hundred two billion, two million, twenty-one thousand, two hundred ten".