1012200012222 has 32 divisors (see below), whose sum is σ = 2313835690752. Its totient is φ = 289170545664.

The previous prime is 1012200012211. The next prime is 1012200012227. The reversal of 1012200012222 is 2222100022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012200012227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808488 + ... + 1636475.

It is an arithmetic number, because the mean of its divisors is an integer number (72307365336).

Almost surely, 2^{1012200012222} is an apocalyptic number.

1012200012222 is an abundant number, since it is smaller than the sum of its proper divisors (1301635678530).

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

1012200012222 is a wasteful number, since it uses less digits than its factorization.

1012200012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454832.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1012200012222 its reverse (2222100022101), we get a palindrome (3234300034323).

The spelling of 1012200012222 in words is "one trillion, twelve billion, two hundred million, twelve thousand, two hundred twenty-two".