1012200222212 has 6 divisors (see below), whose sum is σ = 1771350388878. Its totient is φ = 506100111104.

The previous prime is 1012200222203. The next prime is 1012200222251. The reversal of 1012200222212 is 2122220022101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1012164772096 + 35450116 = 1006064^2 + 5954^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126525027773 + ... + 126525027780.

It is an arithmetic number, because the mean of its divisors is an integer number (295225064813).

Almost surely, 2^{1012200222212} is an apocalyptic number.

It is an amenable number.

1012200222212 is a deficient number, since it is larger than the sum of its proper divisors (759150166666).

1012200222212 is a wasteful number, since it uses less digits than its factorization.

1012200222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253050055557 (or 253050055555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1012200222212 its reverse (2122220022101), we get a palindrome (3134420244313).

The spelling of 1012200222212 in words is "one trillion, twelve billion, two hundred million, two hundred twenty-two thousand, two hundred twelve".