1012200001022 has 24 divisors (see below), whose sum is σ = 1766805700680. Its totient is φ = 433647723600.

The previous prime is 1012200001013. The next prime is 1012200001103. The reversal of 1012200001022 is 2201000022101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012200000994 and 1012200001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531997 + ... + 2090792.

It is an arithmetic number, because the mean of its divisors is an integer number (73616904195).

Almost surely, 2^{1012200001022} is an apocalyptic number.

1012200001022 is a deficient number, since it is larger than the sum of its proper divisors (754605699658).

1012200001022 is a wasteful number, since it uses less digits than its factorization.

1012200001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625656 (or 3625649 counting only the distinct ones).

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

Adding to 1012200001022 its reverse (2201000022101), we get a palindrome (3213200023123).

The spelling of 1012200001022 in words is "one trillion, twelve billion, two hundred million, one thousand, twenty-two".