1012121200222 has 16 divisors (see below), whose sum is σ = 1658560975344. Its totient is φ = 459398800000.

The previous prime is 1012121200193. The next prime is 1012121200249. The reversal of 1012121200222 is 2220021212101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012121200196 and 1012121200205.

It is a congruent number.

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, 32798779 + ... + 32829622.

It is an arithmetic number, because the mean of its divisors is an integer number (103660060959).

Almost surely, 2^{1012121200222} is an apocalyptic number.

1012121200222 is a deficient number, since it is larger than the sum of its proper divisors (646439775122).

1012121200222 is a wasteful number, since it uses less digits than its factorization.

1012121200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65629115.

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

Adding to 1012121200222 its reverse (2220021212101), we get a palindrome (3232142412323).

The spelling of 1012121200222 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred thousand, two hundred twenty-two".