1012201222210 has 16 divisors (see below), whose sum is σ = 1822300135416. Its totient is φ = 404805392128.

The previous prime is 1012201222189. The next prime is 1012201222211. The reversal of 1012201222210 is 122221022101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 976798165561 + 35403056649 = 988331^2 + 188157^2 .

It is not an unprimeable number, because it can be changed into a prime (1012201222211) 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, 9330469 + ... + 9438328.

Almost surely, 2^{1012201222210} is an apocalyptic number.

1012201222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012201222210 is a deficient number, since it is larger than the sum of its proper divisors (810098913206).

1012201222210 is a wasteful number, since it uses less digits than its factorization.

1012201222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18774197.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012201222210 its reverse (122221022101), we get a palindrome (1134422244311).

The spelling of 1012201222210 in words is "one trillion, twelve billion, two hundred one million, two hundred twenty-two thousand, two hundred ten".