1012222051252 has 6 divisors (see below), whose sum is σ = 1771388589698. Its totient is φ = 506111025624.

The previous prime is 1012222051241. The next prime is 1012222051261. The reversal of 1012222051252 is 2521502222101.

It can be written as a sum of positive squares in only one way, i.e., 1006498523536 + 5723527716 = 1003244^2 + 75654^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126527756403 + ... + 126527756410.

Almost surely, 2^{1012222051252} is an apocalyptic number.

It is an amenable number.

1012222051252 is a deficient number, since it is larger than the sum of its proper divisors (759166538446).

1012222051252 is a wasteful number, since it uses less digits than its factorization.

1012222051252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253055512817 (or 253055512815 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1012222051252 its reverse (2521502222101), we get a palindrome (3533724273353).

The spelling of 1012222051252 in words is "one trillion, twelve billion, two hundred twenty-two million, fifty-one thousand, two hundred fifty-two".