1210222100200 has 48 divisors (see below), whose sum is σ = 2882394850860. Its totient is φ = 472281792000.

The previous prime is 1210222100167. The next prime is 1210222100239. The reversal of 1210222100200 is 20012220121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 358496356 + 1209863603844 = 18934^2 + 1099938^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73785831 + ... + 73802230.

Almost surely, 2^{1210222100200} is an apocalyptic number.

1210222100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210222100200 is an abundant number, since it is smaller than the sum of its proper divisors (1672172750660).

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

1210222100200 is a wasteful number, since it uses less digits than its factorization.

1210222100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147588118 (or 147588109 counting only the distinct ones).

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

Adding to 1210222100200 its reverse (20012220121), we get a palindrome (1230234320321).

It can be divided in two parts, 121022 and 2100200, that added together give a palindrome (2221222).

The spelling of 1210222100200 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, one hundred thousand, two hundred".