1222001200010 has 16 divisors (see below), whose sum is σ = 2328990522696. Its totient is φ = 460047510528.

The previous prime is 1222001199971. The next prime is 1222001200087. The reversal of 1222001200010 is 100021002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1215442305841 + 6558894169 = 1102471^2 + 80987^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222001199964 and 1222001200000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3594121007 + ... + 3594121346.

Almost surely, 2^{1222001200010} is an apocalyptic number.

1222001200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222001200010 is a deficient number, since it is larger than the sum of its proper divisors (1106989322686).

1222001200010 is a wasteful number, since it uses less digits than its factorization.

1222001200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188242377.

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

Adding to 1222001200010 its reverse (100021002221), we get a palindrome (1322022202231).

The spelling of 1222001200010 in words is "one trillion, two hundred twenty-two billion, one million, two hundred thousand, ten".