1222000100210 has 32 divisors (see below), whose sum is σ = 2275526107440. Its totient is φ = 471928762368.

The previous prime is 1222000100203. The next prime is 1222000100249. The reversal of 1222000100210 is 120010002221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 591759409081 + 630240691129 = 769259^2 + 793877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222000100191 and 1222000100200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11836574 + ... + 11939366.

Almost surely, 2^{1222000100210} is an apocalyptic number.

1222000100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222000100210 is a deficient number, since it is larger than the sum of its proper divisors (1053526007230).

1222000100210 is a wasteful number, since it uses less digits than its factorization.

1222000100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143822.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1222000100210 its reverse (120010002221), we get a palindrome (1342010102431).

The spelling of 1222000100210 in words is "one trillion, two hundred twenty-two billion, one hundred thousand, two hundred ten".