1210202220010 has 48 divisors (see below), whose sum is σ = 2534188157064. Its totient is φ = 414898165248.

The previous prime is 1210202219999. The next prime is 1210202220013. The reversal of 1210202220010 is 100222020121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 895527220329 + 314674999681 = 946323^2 + 560959^2 .

It is not an unprimeable number, because it can be changed into a prime (1210202220013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7870182 + ... + 8022478.

Almost surely, 2^{1210202220010} is an apocalyptic number.

1210202220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210202220010 is an abundant number, since it is smaller than the sum of its proper divisors (1323985937054).

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

1210202220010 is a wasteful number, since it uses less digits than its factorization.

1210202220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168535 (or 168528 counting only the distinct ones).

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

Adding to 1210202220010 its reverse (100222020121), we get a palindrome (1310424240131).

The spelling of 1210202220010 in words is "one trillion, two hundred ten billion, two hundred two million, two hundred twenty thousand, ten".